Zhejiang weilin mechanical parts Co., Ltd is a professional hi-tech enterprise mainly engaged in manufacturing forged steel crankshaft for construction machinery. It produces more than 30 kinds of forged steel crankshafts, with intellectual property right and self-supported export right, and have exported to Middle East, South America, Southeast Asia, Europe, United States, and other countries. Since its wear resistance, toughness and fatigue strength are superior to that of its peer products abroad. It's fully able to substitute the imported products and has filled in the forged stel crankshaft for medium and large excavator engines in China.