NgoDisemba 2020, i-TH-Valve Nantong yawina ngempumelelo ibhidi lezigaba ezinhlanu zebhidi lohlaka lwama-valve lwenqubo yaminyaka yonke ka-2021-2022 yeSinopec.

Izigaba ezi-5 ezihlanganisa:

1) Ingxenye Yokucwenga: I-American Standard> Ingcindezi Emaphakathi> I-Medium and Small Caliber> Insimbi Yekhabhoni;

2) Ingxenye Yokucwenga: I-American Standard> I-Medium Pressure> I-Caliber Enkulu> I-Carbon Steel;

3) Ingxenye Yokucwenga: I-American Standard> Ingcindezi Ephakathi> Insimbi Engagqwali, Insimbi ye-alloy;

4) Ingxenye Yokucwenga: Izinga lesiShayina> Ukucindezela Okuphakathi;

5) Ingxenye Yensimu Yamafutha: I-Medium and Small Caliber> Insimbi Yekhabhoni, Insimbi Engagqwali, Insimbi Yengxubevange.