Tesema 2020, TH-Valve Nantong manumalo manuia i le tauofoga mo vaega e lima o le Sinopec's 2021-2022 faʻataʻitaʻiga faʻavaa faʻavaa faʻataʻitaʻiga tauofoga.

O vaega e 5 e aofia ai:

1) Vaega Faʻamamaina: American Standard> Medium Pressure> Medium ma Small Caliber> Carbon Steel;

2) Vaega Faʻamamaina: American Standard> Medium Pressure> Large Caliber> Carbon Steel;

3) Vaega Faʻamamaina: American Standard> Medium Pressure> Stainless Steel, Alloy steel;

4) Vaega Fa'amamaina: Fa'aSaina Fa'atonu> Medium Pressure;

5) Vaega ole Suau'u: Medium ma Small Caliber> Carbon Steel, Stainless Steel, Alloy Steel.