Diligence & Fine Machinery (Qingdao) Co., Ltd. is specialized in dealing with the transmission components for general use, it is the integration of the manufacturing and sales of them, the products are mainly for export. A full range of tansmission parts are developed and designed by our capable and experienced engieers and advanced equipments are invested which ensure the superior products quality, reasonable prices and broad sales network, aiming to provide global customers with excellent power transmission components and excellent service. We have been dedicated to developing and improving the products quality and distribution network for 15 years, and as a result, Diligence & Fine has become one of the most famous brands in this highly competitive market.

Linhai Solid Synchronous Belt Co., Ltd. Was founded in 1995, and is located in a historical and cultural city - Linhai in Zhejiang Province, China.

Huanball Group Co., Limited. It is a professional supplier of timing belts with a history of over 15 years. Was founded in 2013, with a production area of 30000 square meters. With over 200 workers, 26 engineers. Currently, the belts produced are widely used in various machines equipment, etc. Huanball belts always adheres to product quality and maintains a continuous commitment to innovation, aiming to help our customers provide efficient, long service life, impact resistant, and high-quality products.

HEBEI HEIYI RUBBER Co., Ltd. Was founded in 1995, has strong technical force, excellent production equipment, and adopt advanced production technology, production strictly in accordance with the ISO16949 quality management system, ensuring consistent quality and efficiency. Over the past 20 years, the company has achieved rapid development, supported by reliable stocks and knowledgeable customers care quickly enabled HEIYI to become well recognized as a solid partner to distributors across China.

Jinan Gem Auto Parts Co., Ltd?have over 20 years of experience in mining machinery parts industry. We professionally supply genuine spare parts for Chinese mining dump trucks, covering mainstream brands including LGMG, TONLY, SANY and WEICHAI. We have established stable cooperative relations with clients across Africa, Southeast Asia, Kazakhstan, Russia and other regions worldwide.