Our company is a professional manufacturer of all kinds of roller chains. Located in Hangzhou, China, our company is 2 hours by car from Shanghai, and nearby Hangzhou Xiaoshan International Airport. So we enjoy convenient water, land and air transportation. Main Products: driving chains, conveyor chains, agricultural chains, leaf chains, motorcycle chains and OEM chains. Other power transmission components: sprockets, belt pulleys, couplings, taper bushes and motor bases. Service ...