Ruian Jieneng Auto Parts Co., Ltd. Is a manufacturer specialized in automotive vehicle door locks and metallic frame products. JOYCHN, Jieneng's very own in-house patented locking mechanism, has been supplied worldwide for 25 years, and is internationally recognized as secure, reliable, and innovative.

Jieneng is located in Ruian, Zhejiang, a region in China famous for the production of automotive parts. Specifically, Jieneng's core products extends to all functions related to the open and closure of vehicle doors. The company develops, produces, and offers tailor-made solutions for domestic and overseas commercial automotive OEMs, wholesellers, and retailers.

Since its establishment, Jieneng has remained an indispensable and strategic supplier of door locks and metallic frame products for domestic bus manufacturers. In 2018, the company was honored by Zhejiang Province as provincial technological enterprise. It currently holds 30% of the domestic bus locking system market share.

All employees at Jieneng are valued for their integrity, consistency, and innovation. They are committed to providing a superior supply chain experience for each customer by providing the required support at the right time, offering the right price, and safely delivering to the right place.