Dear Sirs, Possessing four subordinate companies, Ningbo Zhongjie Metal Products Co., Ltd. specialize in manufacturing various standards of fasteners in Ningbo, China. And we are one of the biggest and ISO 9002 certified manufacturers of fasteners in China with high convenient transport condition. Our main products are Hex Head Bolts, Screws, Hex Socketcap Cheese Head Screws, Nuts, washer,etc. Fasteners especially large or long in size or length, non-standard or made of special materials can be provided. Diameter: M5-M76, Length: 10MM-1000MM,Standard: ISO, DIN, BS, ANSE/ASME, JIS, GB etc. Strength grade: 4.6, 4.8, 6.8, 8.8, 10.9, etc.  Our website is www.zj-metals.com E-mail: kevin@zj-metals.com Tel: 0086-574-86301678 Fax: 0086-574-86303728 Your enquiry and support is of great value.  Rgds, Kevin Hu (Export Dep. Manager)