Queen Tung Co., Ltd

Queen Tung Co, Ltd, established in 1973, has engaged in professional manufacturing of automation pneumatic and hydraulic precision parts. During 40 years, we have updated equipment and manufacturing technology. We has state-of-the-art composite milling machines, precise CNC grinding & horning machines, TIG welding machines, injection molding machines, all kinds of special-purpose processing machines, a complete professional quality inspection equipment and the capability of complete secondary production processing, surface treatment as well as heat treatment. In 2001, we established Tong Hong Electronic Co, Ltd. to design and manufacture electromagnetic coil. Our Capability is as follows: 1. Accuracy is ±0.001mm and surface roughness is 0.8S~1.6S (Japanese series CNC center less grinding and core grinding) 2. Accuracy is ±0.01mm and surface roughness is 1.6S~3.2S (Japanese CNC lathe / milling complex processing in one processing) 3. Accuracy is ±0.03mm and surface roughness is 1.6S~3.2S (Accuracy machine, drilling and threading, milled processing, angle cutting, and production) Our main product range is as follows: 1. Solenoid Valve: 1-1 Solenoid On/Off Valve: Poppet-Type Solenoid Valve, Spool-Type Solenoid Valve 1-2 Electro-Proportional Valves 1-3 Electronic Coil 2. Cartridge Valve: 2-1 Directional Valve: Check Valve, Load Shuttle Valve, Manual Rotary Valve 2-2 Flow Control Valve: Needle Valve, Free Flow Valve, Bypass Flow Control Valve, Flow Divider, Combiner, Heavy Duty, Multi-Function Valve 2-3 Pressure Control Valve: Relief Valve, Pressure Reducing Valve 3. Pneumatic parts and Hydraulic parts 4. Precision Parts: Machine tool parts, Automation equipment parts, Injection machinery parts, Agriculture machinery parts, Construction machinery parts, Auto parts, Medical Parts, marine parts, etc. All types of Spools 6. All types of Coils 7. Customized Valve, Precision parts, Spools and Coils.