Zhejiang Pujiang Tri-Rhomb Lock MFG Corp., founded in 1999, is located in the Pujiang Town, which is known as "China Padlock Manufacturing Base" in the middle of Zhejiang province, and only 20km from Yiwu, with very convenient transportation. The company covers an area of 14000 m2, and owns 300 permanent staff, more than 80 senior technique engineers. The company has top-ranked equipment, advanced technology, perfect industrial art different kinds of padlocks, and now is the Vice President Company of Padlock Association. Tri-Rhomb Lock has been concentrating on producing and selling traditional padlocks. Then main products includes: various models of grey iron padlock, plated iron padlock, vane key padlock, half beam packed padlock, brass painted iron padlock, camel type padlock, brass padlock, brass padlock, armored rectangular padlock, plated rectangular iron padlock and so on. In addition, various kinds of discus padlock solid steel padlock are under developing and producing. The products are well received by the vast customers in Egypt, Turkey, Mexico, Nigeria, Dubai, Hungary, Indonesia, Iran, India, Chile and other 20 countries. The yearly output is over 50 million pieces padlocks, and the sales volume if over 100 million RMB. Tri-Rhomb always regards the product quality, company credit and the producing efficiency as the basis of the development of company. For 15 years, the company has persevered in traditional padlock as the main product of the company, and steadily improving the industrial technique so as to raise the traditional padlock producing efficiency. Tri-Rhomb is now aiming at the whole world market. Tri-Rhomb lock, lock on the world.