Cov khoom
We have professional sales team numbered 200 with more than 16 years experience.
Txoj hauj lwm:
Tsev > Cov khoom > Hlau Phaj > Hight Strength Tsawg Alloy Steel
Q550C steel phaj
Q550C steel phaj
Q550C steel phaj
Q550C steel phaj

Q550C steel phaj

Q550C quenched tempered steel phaj, GB / T 16270 Q550C . GB/T 16270-2009 Q550C Siab zog steel daim hlau nyob rau hauv lub quenched thiab tempered mob
Kev nug
* Lub npe
* E-mail
Xov tooj
Lub teb chaws
Xov xwm