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Wenzhou, Zhejiang
Main products
Flagship 1: Full‑Series Industrial Safety Valves (Industry Benchmark) ‑ Spring‑loaded low‑lift / full‑lift safety valves, bellows zero‑leakage safety valves (for highly‑toxic and corrosive‑media services) ‑ Pilot‑operated large‑bore safety valves (standar
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Wenzhou, Zhejiang
Main products
Core Valves for Ultra‑supercritical Thermal Power (Main‑Force Flagship) Extraction stop‑check valves, extraction gate valves, three‑way / four‑way valves for high‑pressure heaters, hydro‑test block valves, boiler blow‑down valves. High‑temperature forged‑
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Location available on request
Main products
1. Core flagship products: Power station safety valves (National Single Champion Product) • MSR pilot operated safety valves: specially used for thermal power plants and petrochemical cracking furnaces, benchmark products for import substitution • Full ca
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Wenzhou, Zhejiang
Main products
Anti‑Corrosion Valves (Core Main‑Force Products of Group) Full series of fluorine‑lined / plastic‑lined valves: PTFE‑lined gate valves, globe valves, butterfly valves, ball valves, diaphragm valves, lined butterfly valves dedicated for sulfuric‑acid servi
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Wenzhou, Zhejiang
Main products
Core Coal‑Chemical Products (Industry Single‑Champion) Metal hard‑seated wear‑resistant ball valves, high‑pressure slag lock valves, erosion‑resistant valves for black‑grey water service, combined three‑way feed valves. Suitable for severe particle‑erosio
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2
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Dalian, Liaoning
Main products
Nuclear‑Grade Special Forged‑Steel Valves (Core Flagship) Nuclear Class Ⅰ/Ⅱ/Ⅲ gate valves, globe valves, check valves, bellows‑type leak‑tight valves, nuclear‑grade throttling control valves, safety valves dedicated for nuclear power. Suitable for Hualong
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Wenzhou, Zhejiang
Main products
Featured with patented triple-eccentric double-pressure elliptical metal hard-sealed butterfly valves with zero leakage under high temperature and high pressure. The product portfolio also includes high-performance double-eccentric metal butterfly valves,
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Shanghai
Main products
High‑Pressure Pipeline Ball Valves (Core Flagship Products) 56‑inch extra‑large bore fully‑welded pipeline ball valves, forged steel trunnion‑mounted ball valves, DBB double block‑and‑bleed valves, orbital metal‑seated ball valves. Suitable for long‑dista
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2
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Beijing
Main products
General‑Purpose Main Medium‑ & High‑Pressure Valves Gate valves, globe valves, check valves, soft‑/hard‑seal butterfly valves, floating‑/trunnion‑mounted ball valves, flat gate valves. Full pressure classes covering Class150‑4500LB and PN16‑76MPa. Flat ga
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Location available on request
Main products
Valve Drive Gearboxes (Core Flagship Products) • XBN multi‑turn worm‑wormwheel gearboxes, XBNM high‑torque heavy‑duty gearboxes • XW part‑turn bevel gearboxes, XK compact lightweight gearboxes • Designed for manual operation of gate valves, globe valves,
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4
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