Shanghai Tianbao Fstener Manufacturing Co.,Ltd

We are one of the largest professional manufacturers of these products in China. We have obtained an import and export license as a professional manufacturer of industrial fasteners.Property class ranges from 4.8 to 10.9., Standards: GB, ANSI, DIN, ISO and UNI. Finished: zinc, black, hot dips galvanize.  Non-standard products series are available in 4, 6, 8, 10, etc levels.The total annual output volume now exceeding 10,000MT (approximately 7 billion pieces). For cold forged hexagonal nuts, we have a capacity of over 24000MT per year;Having received ISO9001 certification for our QC and management systems.   [详细介绍]