C12200 Seamless Plain Copper Tubes rau Cua Txias thiab Tub Txias los ntawm Tuam Tshoj Sab saum toj-Kaum Chaw Tsim Tshuaj

Lus piav qhia luv luv:


  • FOB Nqe:US $0.5 - 9,999 / Daim
  • Min. Order Quantity:100 Daim / Daim
  • Muaj peev xwm muab khoom:10000 Daim / Daim ib lub hli
  • Chaw nres nkoj:Shanghai, Ningbo, Shenzhen
  • Lub sij hawm xa tuaj:7-10 hnub tom qab lees paub qhov kev txiav txim
  • Keeb kwm:Tuam Tshoj
  • Them Nyiaj:T / T, L / C
  • Txheem:ASTM, AISI, SUS, JIS, EN, DIN, GB, ASME, thiab lwm yam
  • Mill:Pocso / Tisco / Lisco / Jisco / Bao steel / H Wang
  • Product Detail

    Technical Specification

    Khoom ntim & xa khoom

    Tuam txhab Taw Qhia

    Lus nug & lus teb

    Khoom cim npe

     

     

    Specification Range ntawm Inner-groovedSeamless Copper Tube
    OD / hli Hauv qab phab ntsa Thickness
    (BWT, hli)
    Qhov siab ntawm Cov Hniav Tag Nrho
    (Hf / hli)
    Tag nrho phab ntsa Thickness
    (TWT, mm)
    Addendum Angle
    α / (°)
    Helix
    Lub kaum sab xis
    β/(°)
    Xov
    (n)
    4 ~ 10 0.20 ~ 0.75 hli 0.10-0.30 Nws 0.30-1.05 Nws 10 ~ 100 0 ~ 40 30 ~ 100
    Specification ntawm Inner-groovedSeamless Copper Tube
    Tsis muaj. Specification OD / hli Hauv qab phab ntsa Thickness
    (BWT, hli)
    Qhov siab ntawm Cov Hniav Tag Nrho
    (Hf / hli)
    Tag nrho phab ntsa Thickness
    (TWT, mm)
    Addendum Angle
    α / (°)
    Helix Angle
    β/(°)
    Xov
    n
    1 φ4.90 × 0.20 + 0.15-40/18-40 4.90 ib 0.20 ib 0.15 0.35 Nws 40 17 40
    2 φ5.00 × 0.20 + 0.15-40/18-40 5.00 Nws 0.20 ib 0.15 0.35 Nws 40 18 40
    3 φ6.00 × 0.22 + 0.13-25/15-68 6.00 Nws 0.22 0.13 0.35 Nws 25 15 68
    4 φ6.35 × 0.23 + 0.17-15/18-44 6.35 Nws 0.23 0.17 ib 0.40 Nws 15 18 44
    5 φ7.00 × 0.22 + 0.10-37/16-65 7.00 Nws 0.22 0.10 0.32 ib 37 16 65
    6 φ7.00 × 0.23 + 0.10-40/16-65 7.00 Nws 0.22 0.10 0.32 ib 40 16 65
    7 φ7.00 × 0.23 + 0.18-35/18-50 7.00 Nws 0.23 0.18 0.41 ib 35 18 50
    8 φ7.00 × 0.24 + 0.15-25/30-54 7.00 Nws 0.24 ib 0.15 0.39 ib 25 30 54
    9 φ7.00 × 0.24 + 0.17-20/18-50 7.00 Nws 0.24 ib 0.17 ib 0.41 ib 20 18 50
    10 φ7.00 × 0.24 + 0.18-35/18-50 7.00 Nws 0.24 ib 0.18 0.42 ib 35 18 50
    11 φ7.00 × 0.25 + 0.18-15/15-44 7.00 Nws 0.25 0.18 0.43 ib 15 15 44
    12 φ7.00 × 0.25 + 0.18-40/18-50 7.00 Nws 0.25 0.18 0.43 ib 40 18 50
    13 φ7.00 × 0.27 + 0.15-53/18-60 7.00 Nws 0.27 ib 0.15 0.42 ib 53 18 60
    14 φ7.94 × 0.24 + 0.18-35/18-50 7.94 ib 0.24 ib 0.18 0.42 ib 35 18 50
    15 φ7.94 × 0.25 + 0.18-20/20-60 7.94 ib 0.25 0.18 0.43 ib 20 20 60
    16 φ8.00 × 0.24 + 0.19-15/18-56 8.00 Nws 0.24 ib 0.19 ib 0.43 ib 15 18 56
    17 φ9.52 × 0.24 + 0.12-50/18-65 9.52 ib 0.24 ib 0.12 0.36 ib 50 18 65
    18 φ9.52 × 0.27 + 0.15-15/30-55 9.52 ib 0.27 ib 0.15 0.42 ib 15 30 55
    19 φ9.52 × 0.27 + 0.16-30/18-70 9.52 ib 0.27 ib 0.16 0.43 ib 30 18 70
    20 φ9.52 × 0.27 + 0.16-15/18-70 9.52 ib 0.27 ib 0.16 0.43 ib 15 18 70
    21 φ9.52 × 0.28 + 0.15-53/18-60 9.52 ib 0.28 ib 0.15 0.43 ib 53 18 60
    22 φ9.52 × 0.30 + 0.20-53/18-60 9.52 ib 0.30 Nws 0.20 ib 0.50 ib 53 18 60

  • Yav dhau los:
  • Tom ntej:

  • Khoom Qib

    Khoom siv ASTM A240 Txuj 201, 304 304L 304H 309S 309H 310S 310H 316 316H 316L 316L 316Ti 317 317L 321 321H 347 347H 409 4104L 301
    ASTM A480 Txuj 302, S30215, S30452, S30615, 308, 309, 309Cb, 310, 310Cb, S32615, S33228, S38100, 304H, 309H, 310H2H, 347H, 348H, S31060, N08811, N08020, N08367, N08810, N08904, N08926, S31277, S20161, S30600, S30601, S31254, S31266, S32050, S32654, S32053, S31727, S34528, S34528, S34528 03, S32001, S32550, S31260, S32003, S32101, S32205, S32304, S32506, S32520, S32750, S32760, S32900, S32906, S32950, ​​S32974
    JIS 4304-2005 Txuj SUS301L, SUS301J1, SUS302, SUS304, SUS304L, SUS316/316L, SUS309S, SUS310S, 3SUS21L, SUS347, SUS410L, SUS430, SUS630  
    JIS G4305 Txuj SUS301, SUS301L, SUS301J1, SUS302B, SUS304, SUS304Cu, SUS304L, SUS304N1, SUS304N2, SUS304LN, SUS304J1, SUSJ2, SUS305, SUS309S 315J2, SUS316, SUS316L, SUS316N, SUS316LN, SUS316Ti, SUS316J1, SUS316J1L, SUS317, SUS317L, SUS317LN, SUS317J1, SUS317J2, SUS836L, SUS890L, SUS321, SUS347, SUSXM7, SUS329J1, SUS329J3US1, SUS329J3US4, SUS42 SUS430, SUS430LX, SUS430J1L, SUS434, SUS436L, SUS436J1L, SUS444, SUS445J1, SUS445J2, SUS447J1, SUSXM27, SUS403, SUS410, SUS410S, SUS420J1, SUS420J2, SUS440A

    Khoom Specification

    Ua kom tiav Thickness Yam ntxwv Daim ntawv thov
    Tsis yog 1 3.0mm ~ 50.0 hli Ua tiav los ntawm kub dov, annealing thiab pickling, tus yam ntxwv los ntawm dawb pickled nto Cov khoom siv tshuaj lom neeg kev lag luam, Cov tank muaj
    No. 2B 0.3mm ~ 6.0 hli Ua tiav los ntawm kev kho cua sov, pickling tom qab txias dov, ua raws li daim tawv nqaij hla kab kom ci dua thiab du nto General Application Medical Instruments, Tableware
    No. BA (Zoo Annealed) 0.5mm ~ 2.0 hli Bright kev kho cua sov tom qab txias dov Chav ua noj, chav ua noj khoom siv, lub hom phiaj architectural
    No. 4 0.4mm ~ 3.0 hli Polishing nrog No.150 rau No.180 mesh abrasives. Qhov nrov tshaj plaws tiav Mis & Khoom noj khoom haus ua khoom siv, Tsev Kho Mob Khoom, Da-tub
    No. 8 0.5mm ~ 2.0 hli Daim iav zoo li lub ntsej muag los ntawm polishing nrog finer abrasives tshaj 800 mesh Reflector, Daim iav, Sab hauv-Sab nrauv kho kom zoo nkauj forbuilding
    HL (Hair Line) 0.4mm ~ 3.0 hli Ua tiav los ntawm kev txuas ntxiv linear polishing Architectural lub hom phiaj, escalators, chav ua noj ware tsheb

    Tshuaj muaj pes tsawg leeg

    Qib

    C

    Si

    Mn

    P

    S

    Cr

    Ni

    Mo

    Ti

    N

    Cu

    Nb

    201

    ≤ 0.15

    ≤1.0

    5.50-7.50 Nws

    ≤ 0.05

    ≤ 0.03

    16.00-18.00 Nws

    3.50-5.50 Nws

    -

    -

    0.05-0.25 Nws

    -

    -

    202

    ≤ 0.15

    ≤1.0

    7.50-10.00 Nws

    ≤ 0.05

    ≤ 0.03

    17.00-19.00 Nws

    4.00-6.00 Nws

    -

    -

    0.05-0.25 Nws

    -

    -

    301

    ≤ 0.15

    ≤1.0

    ≤ 2.0

    ≤ 0.045

    ≤ 0.03

    16.00-18.00 Nws

    6.00-8.00 Nws

    -

    -

    ≤0.1

    -

    -

    302

    ≤ 0.15

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    17.00-19.00 Nws

    8.00-10.00 Nws

    -

    -

    ≤0.1

    -

    -

    303

    ≤ 0.15

    ≤1.0

    ≤ 2.0

    ≤0.2

    ≥0.15

    17.00-19.00 Nws

    8.00-10.00 Nws

    ≤0.6

    -

    ≤0.1

    -

    -

    304

    ≤ 0.08

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    17.00-19.00 Nws

    8.00-10.00 Nws

    -

    -

    -

    -

    -

    304l ua

    ≤ 0.03

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    18.00-20.00 Nws

    8.00-10.00 Nws

    -

    -

    -

    -

    -

    3 04 h

    0.04-0.1 hli

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    18.00-20.00 Nws

    8.00-10.00 Nws

    -

    -

    -

    -

    -

    304n ua

    ≤ 0.08

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    18.00-20.00 Nws

    8.00-10.00 Nws

    -

    -

    0.10-0.16 Nws

    -

    -

    304j 1

    ≤ 0.08

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    18.00-20.00 Nws

    6.00-9.00 Nws

    -

    -

    -

    1.00-3.00 Nws

    -

    305

    ≤ 0.12

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    17.00-19.00 Nws

    10.50-13.00 Nws

    -

    -

    -

    -

    -

    309s ua

    ≤ 0.08

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    22.00-24.00 Nws

    12.00-15.00 Nws

    -

    -

    -

    -

    -

    310S ib

    ≤ 0.08

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    24.00-26.00 Nws

    19.00-22.00 Nws

    -

    -

    -

    -

    -

    316

    ≤ 0.08

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    16.00-18.00 Nws

    10.00-14.00 Nws

    2.00-3.00 Nws

    -

    -

    -

    -

    316l ua

    ≤ 0.03

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    16.00-18.00 Nws

    12.00-15.00 Nws

    2.00-3.00 Nws

    -

    -

    -

    -

    316 H

    ≤0.1

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    16.00-18.00 Nws

    10.00-14.00 Nws

    2.00-3.00 Nws

    -

    -

    -

    -

    316n ua

    ≤ 0.03

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    16.00-18.00 Nws

    10.00-14.00 Nws

    2.00-3.00 Nws

    -

    0.10-0.16 Nws

    -

    -

    316 Ti

    ≤ 0.08

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    16.00-19.00 Nws

    11.00-14.00 Nws

    2.00-3.00 Nws

    ≥5C

    -

    -

    -

    317l ua

    ≤ 0.03

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    18.00-20.00 Nws

    11.00-15.00 Nws

    3.00-4.00 Nws

    -

    -

    -

    -

    321

    ≤ 0.08

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    17.00-19.00 Nws

    9.00-12.00 Nws

    -

    5C-0.7 ua

    -

    -

    -

    347 ib

    ≤ 0.08

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    17.00-19.00 Nws

    9.00-12.00 Nws

    -

    -

    -

    -

    10C-1.10 Nws

    347 h ua

    ≤0.1

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    17.00-19.00 Nws

    9.00-12.00 Nws

    -

    -

    -

    -

    8C-1.10

    2205

    ≤ 0.03

    ≤1.0

    ≤ 2.0

    ≤ 0.035

    ≤ 0.03

    21.00-24.00 Nws

    4.50-6.50 Nws

    2.50-3.50 Nws

    -

    0.08-0.20 Nws

    -

    -

    2507 ib

    ≤ 0.03

    ≤ 0.8

    ≤1.2

    ≤ 0.035

    ≤ 0.02

    24.00-26.00 Nws

    6.00-8.00 Nws

    3.00-5.00 Nws

    -

    0.24-0.32 Nws

    -

    -

    904l ua

    ≤ 0.02

    ≤1.0

    ≤ 2.0

    ≤ 0.045

    ≤ 0.03

    19.00-23.00 Nws

    23.00-28.00 Nws

    4.00-5.00 Nws

    -

    -

    1.00-2.00 Nws

    -

    C276

    ≤ 0.02

    ≤ 0.05

    ≤1.0

    -

    -

    14.00-16.50 dr hab

    Lwm yam

    -

    -

    -

    -

    -

    Monel 400

    ≤0.3

    ≤0.5

    ≤ 2.0

    -

    ≤ 0.024

    -

    ≥63

    -

    -

    -

    28-34 : kuv

    -

    409l ua

    ≤ 0.03

    ≤1.0

    ≤1.0

    ≤ 0.035

    ≤ 0.03

    17.00-19.00 Nws

    -

    -

    -

    -

    -

    -

    410

    ≤ 0.15

    ≤1.0

    ≤1.0

    ≤ 0.035

    ≤ 0.03

    11.50-13.50 dr hab

    -

    -

    -

    -

    -

    -

    410l ua

    ≤ 0.03

    ≤1.0

    ≤1.0

    ≤ 0.035

    ≤ 0.03

    11.50-13.50 dr hab

    -

    -

    -

    -

    -

    -

    420j 1

    0.16-0.25 dr hab

    ≤1.0

    ≤1.0

    ≤ 0.035

    ≤ 0.03

    12.00-14.00 Nws

    -

    -

    -

    -

    -

    -

    420j 2

    0.26-0.40 Nws

    ≤1.0

    ≤1.0

    ≤ 0.035

    ≤ 0.03

    12.00-14.00 Nws

    -

    -

    -

    -

    -

    -

    430

    ≤ 0.12

    ≤1.0

    ≤1.0

    ≤ 0.035

    ≤ 0.03

    16.00-18.00 Nws

    -

    -

    -

    -

    -

    -

    436l ua

    ≤ 0.025

    ≤1.0

    ≤1.0

    ≤ 0.035

    ≤ 0.03

    16.00-19.00 Nws

    -

    -

    -

    -

    -

    -

    439 ib

    ≤ 0.03

    ≤1.0

    ≤1.0

    ≤ 0.035

    ≤ 0.03

    16.00-18.00 Nws

    -

    -

    -

    -

    -

    -

    440a ua

    0.60-0.75 Nws

    ≤1.0

    ≤1.0

    ≤ 0.035

    ≤ 0.03

    16.00-18.00 Nws

    -

    ≤ 0.75

    -

    -

    -

    -

    440b ua

    0.75-0.95 Nws

    ≤1.0

    ≤1.0

    ≤ 0.035

    ≤ 0.03

    16.00-18.00 Nws

    -

    ≤ 0.75

    -

    -

    -

    -

    440c ua

    0.95-1.2 Nws

    ≤1.0

    ≤1.0

    ≤ 0.035

    ≤ 0.03

    16.00-18.00 Nws

    -

    ≤ 0.75

    -

    -

    -

    -

    441 ib

    ≤ 0.03

    0.2-0.8 hli

    ≤0.7

    ≤ 0.03

    ≤ 0.015

    17.50-18.50 Nws

    -

    ≤0.5

    0.1-0.5 hli

    ≤ 0.025

    -

    0.3 + 3C-0.9

    Pebqhwv cov khoom lag luam stainless hlau nrog cov ntawv tiv thaiv xeb thiab cov nplhaib hlau kom tiv thaiv kev puas tsuaj.

    Cov ntawv cim qhia tau tagged raws li tus qauv specification lossis cov neeg siv khoom cov lus qhia.

    Kev ntim tshwj xeeb yog muaj raws li tus neeg siv khoom xav tau.

    Stainless hlau kauj pob

    cepheus stainless hlau kauj pob (1)

    cepheus stainless hlau kauj pob (2)

     

    Stainless Hlau Sheet / Stainless Hlau Phaj Pob

    cepheus stainless hlau ntawv pob (3)

    cepheus stainless hlau phaj 1_副本

     

    Stainless Hlau Sawb Pob

    cepheus stainless hlau sawb pob (5)

    Ntim Ntim

    Cepheus Stainless hlau xa khoom (1)

    Cepheus Stainless hlau xa khoom (2)

    Cepheus Stainless hlau xa khoom (3)

    Peb lub tuam txhab yog nyob rau hauv Wuxi, sib sau ua ke lub nroog ntawm industrial stainless hlau nyob rau hauv Suav teb.

    Peb tshwj xeeb hauv stainless coils, nplooj ntawv thiab phaj, stainless hlau yeeb nkab thiab fittings, stainless hlau raj, thiab kuj txhuas cov khoom thiab cov khoom tooj liab.

    Peb cov khoom tau raug qhuas los ntawm peb cov neeg siv khoom los ntawm Tebchaws Europe, Amelikas, Middle East, African thiab Southeast Asia. Peb yuav muab cov khoom sib tw thiab kev pabcuam zoo rau cov neeg siv khoom.

    Stainless hlau qib: 201, 202, 202cu, 204, 204cu, 303, 304, 304L, 308, 308L, 309, 309s, 310, 310s, 316, 316L, 408L, 316, 421, 430F, 440, 440c,

    Alloy Qib: Monel, Inconel, Hastolley, Duplex, Super Duplex, Titanium, Tantalum, Kev Kub Ceev Hlau, Me Hlau, Aluminium, Alloy Steel, Carbon Steel, Tshwj Xeeb Nickel Alloys

     

    Hauv daim ntawv: Round Bars, Square Bars, Hexagonal Bars, Flat Bars, Angles, Channels, Profiles, Hlau Rods, Sheets, Phaj, Seamless Pipes, ERW Pipes, Flanges, Fittings, thiab lwm yam.

    wuxi cepheus stainless hlau (1)

     

    wuxi cepheus stainless hlau (5)

    wuxi cepheus stainless hlau (4)

    wuxi cepheus stainless hlau (3)

     

    wuxi cepheus stainless hlau (2)

     

    Q1: Dab tsi yog stainless hlau?

    A: Stainless txhais tau tias tsis muaj cov cim ntawm cov hlau nto, los yog ib hom hlau uas tsis raug puas los ntawm huab cua lossis dej thiab tsis hloov xim, tsis muaj xim, tiv taus staining, xeb, cov nyhuv corrosive ntawm cov tshuaj.

    Q2: Puas yog stainless txhais tau tias tsis xeb?

    A: Tsis yog, stainless txhais tau tias tsis yooj yim kom tau stained lossis xeb, nws muaj peev xwm tshwj xeeb los tiv thaiv staining, xeb thiab corrosion.

    Q3: Koj puas muab cov ntawv hlau stainless?

    A: Yog, peb muab ntau hom stainless hlau los xij, nrog cov tuab ntawm 0.3-3.0mm. thiab nyob rau hauv txawv finishes.

    Q4: Koj puas lees txais kev txiav mus ntev?

    A: Tau kawg, cov neeg siv khoom txaus siab yog peb qhov tseem ceeb tshaj plaws.

    Q5: Yog tias kuv muaj qhov kev txiav txim me me, koj puas kam txais kev txiav txim me me?

    A: Tsis muaj teeb meem, koj qhov kev txhawj xeeb yog peb qhov kev txhawj xeeb, cov khoom me me raug lees txais.

    Q6: Koj tuaj yeem lav koj cov khoom zoo li cas?

    A: Ua ntej, txij thaum pib, peb twb tau siv lub siab rau lawv lub siab, uas yog lub neej zoo, peb cov neeg ua haujlwm thiab cov neeg ua haujlwm yuav ua raws txhua kauj ruam kom txog thaum cov khoom ntim tau zoo thiab xa tawm.

    Q7: Koj puas tuaj yeem ntim cov khoom?

    A: Cov neeg tshaj lij ua cov kev ntim khoom, peb muaj ntau hom kev ntim khoom xaiv rau cov neeg siv khoom, kev lag luam ib lossis zoo dua.

    Q8: Koj yuav tsum paub dab tsi los ntawm cov neeg siv khoom ua ntej kev hais lus raug?

    A: Rau cov lus hais kom raug, peb yuav tsum paub cov qib, tuab, qhov loj, qhov chaw tiav, xim thiab qhov ntau ntawm koj qhov kev txiav txim, thiab qhov chaw ntawm cov khoom. Customized cov ntaub ntawv khoom yuav xav tau ntau dua, xws li kos duab, layout thiab npaj. Tom qab ntawd peb yuav muab cov lus sib tw nrog cov ntaub ntawv saum toj no.

    Q9: Lub sijhawm them nyiaj twg koj tau txais?

    A: Peb lees txais T / T, West union, L / C.

    Q10: Yog tias qhov no yog qhov kev txiav txim me me, koj puas yuav xa cov khoom rau peb tus neeg sawv cev?

    A: Yog, peb tau yug los daws teeb meem ntawm peb cov neeg siv khoom, peb yuav tau txais cov khoom zoo rau koj tus neeg sawv cev lub tsev khaws khoom thiab xa cov duab rau koj.

    Q11: Koj puas tsuas yog ua cov ntawv tiaj tus? Kuv xav ua ib qho fabrication rau kuv qhov project tshiab.

    A: Tsis yog, peb tsuas yog tsim cov hlau stainless tiaj tus ntawv kho qhov chaw, tib lub sijhawm, peb tsim cov khoom siv hlau tiav raws li tus neeg siv khoom kos duab thiab kev npaj, peb cov kws tshaj lij yuav saib xyuas tus so.

    Q12: Muaj pes tsawg coutries koj twb exported?
    A: Exported rau ntau tshaj 50 lub teb chaws feem ntau yog los ntawm America, Russia, UK, Kuwait, Egypt, Iran,
    Qaib ntxhw, Jordan, thiab lwm yam.
    Q13: Kuv tuaj yeem tau txais qee cov qauv li cas?
    A: Cov qauv me me hauv khw thiab tuaj yeem muab cov qauv dawb. Catalgue muaj, feem ntau
    qauv peb muaj npaj cov qauv hauv Tshuag. Customized kuaj yuav siv li 5-7 hnub.
    Q14: Kev xa khoom yog dab tsi?
    A: Qauv xaj lub sijhawm xa khoom yog 5-7 hnub. Lub thawv xaj yog li 15-20 hnub.

    Q15: Dab tsi yog daim ntawv thov txog koj cov khoom?
    A: 1.elevator qhov rooj / chav tsev lossis thiab escalator's side-wall.
    2. Phab ntsa cladding sab hauv lossis sab nraum lub rooj sib tham / tsev noj mov.
    3.Facade thaum cladding tshaj ib yam dab tsi, zoo li txhua kab nyob rau hauv qhov chaw tos txais.
    4.Ceiling nyob rau hauv lub supermarket. 5.Txoj kev kos duab hauv qee qhov chaw lom zem.
    Q16: Koj tuaj yeem lav rau cov khoom no / tiav ntev npaum li cas?
    A: Xim lav rau ntau tshaj 10 xyoo. Thawj cov ntaub ntawv pov thawj zoo tuaj yeem
    muab.

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