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BoLangTe Valve Co., Ltd. (BOLT) – Trusted manufacturer of high-performance forged and cast industrial valves since 2003. Engineered for reliability in oil & gas, chemical, power, and cryogenic applications.
Explore Our ValvesBoLangTe Valve Co., Ltd. (BOLT), a specialized export-oriented valve manufacturer, is located in Oubei, Wenzhou — the hometown of pumps and valves in China. Established in 2003, it began as the forged steel branch of Teer Valve Co., Ltd. In 2011, the company rebranded to BoLangTe Valve Co., Ltd. (BOLT).
We specialize in the production, research and development, sales, and service of industrial valves. Our professional team provides complete engineering solutions for customers across the globe.
We implement standardized management, quality improvement, and delivery guarantee strategies. Our investment in advanced CNC machinery and processing centers ensures precision and consistency in every valve.
Winner of Top 10 Trade Brand in China's Valve Industry (2012)
Precision-engineered forged and cast valves designed for extreme conditions in petroleum, natural gas, chemical, power, and cryogenic industries.
Bolted or welded cover, three-piece body design. Ideal for on/off control in high-pressure systems.
Precise throttling and flow regulation. Suitable for steam, water, and oil applications.
Prevents backflow in pipelines. Swing or lift designs available for horizontal/vertical installation.
Floating or fixed ball design. Excellent sealing with low torque operation.
Designed for LNG, liquid nitrogen, and oxygen service. Extended bonnet for thermal insulation.
Low-pressure drop design. Ideal for throttling and frequent operation.
High-pressure gate valve with pressure-assisted sealing. Used in power plants and refineries.
Zero-emission design with metal bellows. Ideal for toxic, flammable, or environmentally sensitive media.
State-of-the-art equipment and strict quality control ensure every valve meets international standards.
All products are manufactured using advanced CNC lathes and machining centers for consistent precision.
Each valve undergoes hydrostatic and pneumatic testing. NDT methods include MPI and ultrasonic testing.
Compliant with API, ASME, ISO, and NACE standards. Suitable for critical service environments.
We use ASTM A105, F304, F316, F51, and other alloy steels depending on application requirements including corrosion resistance and temperature.
Yes, our forged cryogenic valves are designed and tested for use down to -196°C with extended bonnets and special packing.
Yes, we provide custom valve solutions including design, material selection, and branding based on client specifications.
We are ISO 9001 certified and our valves comply with API 602, ASME B16.34, NACE MR0175, and other international standards.
Ready to discuss your valve requirements? Get in touch with our engineering team for technical support and quotations.
Location:
Oubei Town, Wenzhou City, Zhejiang Province, China
Pu Industrial Zone
Phone:
+86-577-57775222
Email:
[email protected]
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