Company Introduction

Founded in 1956, Yunyang Crankshaft Co., Ltd. specializes in manufacturing combined-type motorcycle crankshaft and integral universal gasoline engine crankshaft with annual production capacity of 4 million pieces, with 220 million RMB assets and over 1200 employees, covering an area of 93,000m2. The company has a amount of over 620 sets equipment, used into mold manufacturing, forging, heat treatment, mental processing, including all test equipments. Now we are successfully able to get the complete matching production with Lifan, Dayang, Honda-China factories and so on. So far, we form a network of the products rang from 36CC to 800CC, CG125, CB125T, CM250 model for motorcycle,ATV350~700 for ATV ect, added up to over 200 models. Yunyang Crankshaft Co., Ltd. is the only one to have products of all specifications in crankshaft industry, in china. And the company is also the only one in China that has full range of production procedures of crankshaft, connecting rod and crankshaft pin, such as forging, heat treatment and machining.With the tenet of "quality first", Yunyang passed ISO9002 certification in 1997 and get ISO9001:2000 certificate in 2003. Yunyang Crankshaft was awarded "Name Brand Product" of Sichuan Province and "famous Brand Product of Chongqing" for many times because our best quality and service.Yunyang Crankshaft Co., Ltd. keep improving. In order to guarantee quality, all main and supplementary materials are bought from certificated plants, and we insist on utilizing 40Cr materials with high mechanical property. Our chemical & physical center is in charge of chemical component analysis and low-power check and acceptance of raw materials as well as control of quality status in heat treatment procedure. Our length measurement center which owns legal qualification to implement maintenance and periodical check to all measuring tool and air gage guarantees length measure always keep in standard precision range, which offer strict guarantee to high-quality products.In the purpose of reinforcing R&D power of new products and shortening trail production cycle of new products, our company has tool setting up and clamp and die production lines. The full procedure that one new product from die forging to finished product assembly can be completed in 10 days."Development is foremost" is our goal. Yunyang Crankshaft will insist on the tenet of "customer foremost and quality first" to offer high quality products and excellent service for end users.