Established in the year of 1992, Zhejiang Yuantong Machine Co., Ltd. is one of the leaders in the area of the manufacturer of chainsaw spare parts, chrome-plating cylinder and nikasil cylinder. YUANTONG MECHANICAL possesses the perfect quality control system and quality control means, it is self- contained to measure. The ebterprises is working on the ISO/TS16949 Quality Management System Assessment of Internation Automobile Industry. Until now, YUANTONG can produce 1 million sets of chainsaw cylinder and 2 million sets other chainsaw spare parts each year. We have provided OEM service for many chainsaw complete factories both at home and abroad. At the same time, we have offered offered excellent components to the after market service providers. Based on mainland market of China, our products also popular in such countries and regions as countries in Europe, North American, Africa, Southeast Asia, Russia and Tianwan Region.

1. CYLINDER
We have been supplying the cylinder with excellent quality to home and oversea market since our company was establishd. Currently we are able to provide more than 100 kinds of cylinder including STIHL, HUSQVARNA, KOMATSU series. At the same time, we can suppy piston parts with good quality which will make the cylinder work with best functional mode.

2. SPARE PARTS
YUNGTONG company and friend factories (motorcyle and auto parts factory, special outdoor power tools parts and complete factory) has abundant technical force and strong ability of development of new product with the production equipment of the best quality and advanced technology. We can make all parts relavant to outdoor power tools according to customer's samples or drawings within 15 to 45 days. Now, we can produce spare parts witch included cylinder, piston kits and ring, carburetor and repair parts, clutch, muffler, crankshaft, oil pump, air filter, ignition coil, bumper spike, nuts, screw, handlebar, handle guard, rewind starter complete, starter rope, springbear, plastic parts, gasket set, oil seal set, rubber parts, iron parts and so on.