The Heavy Hex Structural bolt application in Structural steel industry, Metal building industry etc.
Website:https://www.jm-industry.com/
Jeff Lee
Shenzhen Tobest Machinery Manufacturing Co., Ltd
Website: www.cntobest.en.alibaba.com www.tobest.co
Skype: adolph168
Email: tb09@sztobest.com
Phone: +86-13823136335
Tel: 86-755-27382115
Fax: 86-755-29712531