Zhangqiu Dingtong Petrochemical Accessories Co., Ltd. is located in the famous "blacksmith township" - Zhangqiu, Shandong and was founded 2008. Our company a professional engaged manufacturing forged flanges with fixed assets of 10 million Yuan an annual output more than 6000 ...

Zhangqiu Yu Bin Petrochemical Fittings Factory was established in 1 9 ,with a registered capital of 6 million,fixed assets more than 10 million, the I S O international certification enterprises, municipal credible and People's Republic China Manufacture license special equipment ...