Hangzhou Wanlong Machinery Co., Ltd. is a professional large-scale manufacturer and OEM of various roll chains, established in 1997 in Hangzhou, China. With a workforce of 101 to 200 employees, the company integrates development and production, specializing in a wide range of chains including standard roller chains (A series and B series), oilfield chains, automobile chains, motorcycle chains, and agricultural chains. They also produce double pitch transmission & conveyor roller chains, stainless chains, engine mechanism chains, silent chains, leaf chains, sharp top chains, double plus chains, and chain-making equipment. Hangzhou Wanlong Machinery Co., Ltd. is particularly proficient in oilfield chains, multiplex roller chains, and agricultural chains, and has the capability to produce nonstandard chains. The company operates under the "Wanlong" and "Qunli" brands, adhering to national (GB), international (ISO), and advanced industrial standards (JIS, ANSI, BS, DIN). They are committed to research, development, and innovation, having recently developed new ultra wear-resistant roll chains. The company exports its products to over 20 countries and regions, including America, France, Australia, and Italy, with a significant presence in the US market since 2007.
Motorcycle Chain (420.428.520.525.530)
Petroleum Drilling Machine Chain, Oil Field Chain, Steel Chain
Zhejiang Wanglong Door Co., Ltd is a modern enterprise based in Jinhua, China, specializing in the design, production, marketing, and service of a wide range of doors. Operating as a manufacturer, trading company, and contract manufacturer, the company employs between 1001 and 2000 people. They are a highly professional manufacturer with a factory building area of 150,000 square meters, approximately USD12,000,000 in fixed assets, and an annual sales revenue of USD30,000,000, with a production capacity of about 500,000 doors per year. Their extensive product portfolio includes steel doors, wooden doors, HDF PVC doors, security doors, interior doors, exterior doors, garage doors, fire doors, armored doors, melamine doors, PVC doors, metal security doors, steel anti-fire doors, and steel wooden doors. The company emphasizes quality and innovation, supported by a product research institute, technical development department, and quality test center. They hold ISO 9001 certification, along with recognitions from the China Public Security Ministry and China National Accreditation of Laboratories. Established with a focus on advanced R&D facilities and modern production lines, Zhejiang Wanglong Door Co., Ltd supplies over 3,000 retail stores in the domestic market and actively engages in international marketing to attract distributors and dealers worldwide.