Welcome To Beijing Languang Valve Manufactory Co. Official Website!
Product Inspection
The Parts Inspection team have more than 40 people. They check every single valve for surface quality, flatness and reed valve section on both sides. Surface roughness, magnetic element, round corners are tested by various inspection equipment.
Languang design and manufacture high precision moulds for flapper valves by using internationally cetified high-quality valve steel.
Contact Us
Service hotline: +86-10-62005619 / +86-10-82082708
Service hours: 08:00-18:00
E-mail：sale@lan-guang.com.cn
Address: Room 215 Deheng Business Building A No2 Beitaipingzhuang Road, Haidian, Beijing, China