About Us
We are a professional manufacturer specializing in valves, pipe fittings, and casting products for fluid systems. Our product range includes ball valves, gate valves, globe valves, check valves, diaphragm valves, plug valves, sanitary butterfly valves, elbows, tees, unions, and more. All our products meet international standards such as GB, ANSI, JIS, DIN, BS, and ISO, and are widely used in industries like petrochemicals, chemical processing, LNG and cryogenics, pulp and paper, water and wastewater treatment, mining, refining, marine, and power generation.
With advanced casting technology using silica sol investment casting, we are equipped with high-precision machining and testing equipment including CNC machining centers, lathes, spectrometers, ultrasonic testers, and magnetic particle testing machines. Our production process is certified under ISO 9001, CE, and TS standards, ensuring consistent quality and reliability.
We are committed to delivering top-quality products and exceptional customer service. Our principles of honesty and trustworthiness drive us to continuously improve quality control, streamline operations, and expand our market reach. We welcome your inquiries and look forward to building a long-term partnership with you.
MEASURING CAPABILITY | |||
Measurement |
Range(mm) |
Accuracy(um) |
Brand |
Length |
200×150 700×600×500 0-600 |
3+L/50 2.1+3.8L/1000 3+L/300 |
Easson(Taiwan) Brown & Sharpe(Us) Trimos/Tesa(Swiss) |
External Diameter |
0-100 |
1 |
Mitoyuto(Japan) |
Internal Diameter |
5-30 |
1 |
Tesa (Swiss) |
Surface Roundness |
80 |
0.01 |
Mitoyuto(Japan) |
General Tolerance(+/-mm) | |
CNC Machining |
0.005 |
Turning |
0.005 |
Grinding(Flatness/in2) |
0.003 |
ID/OD Grinding |
0.002 |
Wire-Cutting |
0.002 |
MACHINING EQUIPMENT | |
CNC Machining |
Sheet Metal |
|
High Speed Vertical Machining Horizontal Machining CNC Turning |
CNC Blanking Hydraulic Shearing Hydraulic Press Welding |
Grinding |
W/C Machining |
|
Surface Grinding ID/OD Cylindrical Grinding |
Wire Cut Drilling |
General Machining |
Others |
|
NC Turning Lathe Milling |
Lapping Heat Treatment Surface Treatment |
Feature
Double O-Rings third stem sealing design
Blow-out proof stem
Built-in ISO5211 direct mounting pad
Pre-load 2 Belleville washer to self-adjust packing
Double Stem sealing to comply with TA-LUFT requirements
Anti-static devices for ball, stem and body
Fire safe design and construction
What Benefits Can You Get from Us?1) Competitive pricing
2) Strict quality control with 100% inspection before shipment
3) High precision, with tolerance up to ±0.005mm
4) Fast lead time – 5-7 days for samples, 12-15 days for mass production
5) Customized and OEM services available
6) No minimum order quantity, small orders accepted
7) ISO 9001:2008 certified factory, ROHS compliant materials used
8) Professional export packaging – blister box, bubble wrap, pearl wool, carton, wooden case to ensure no damage
9) Excellent after-sales service and support
We take pride in serving our customers and aim to provide the best value and quality. If you send us your detailed specifications and drawings, we will respond quickly with a competitive quotation and deliver premium quality products that meet your needs.
Glass Cake Stand,Glass Cake Stand With Dome,Glass Cake Stand With Lid,Glass Cake Stand Afternoon Tea
SHAHE CITY ZHENGFANG ARMORED GLASS PRODUCTION FACTORY , https://www.zfscale.com