Founded in 1998
Company Profile
Ningbo Jiekelong Precision Manufacturing Co., Ltd. is a subsidiary Ningbo Jintian Copper (Group) Co., Ltd., (Stock Code: 601609). With 38 years of focus on copper processing, Jintian Copper is a global leader in copper alloys and advanced materials, a Top 500 Chinese Manufacturing Enterprise. As a core subsidiary, JKL Valves (previously known as JKLong) inherits the group's strong industrial foundation and quality gene, providing high-quality valve and fitting products backed by the group's comprehensive strength. Currently, JKL Valves not only has independent R&D capabilities to meet customized needs but also accepts OEM cooperation, offering flexible and professional solutions for global partners.
Full Industry Chain Strength
Jintian Copper is equipped with 8 production bases and a professional team of over 8,000 employees, extending its business reach to more than 100 countries and regions worldwide.
Copper rods and copper tubes, as core raw materials, are independently developed and stably supplied by specialized subsidiaries under the group. Backed by such a fully integrated industrial chain covering raw material R&D and production supply, JKL Valves guarantees stable material supply, controllable production costs and full-process quality traceability for all its products.
Group Strength
2025 Sales
2025 Copper Processing
Production Bases
Factories: Ningbo, China | Vietnam | Thailand