Quality Control of Zhicheng Valve & Fitting Manufacturing Co.
1. Strict raw material selection
We purchase raw materials from high quality suppliers all over the world to ensure that each batch of materials meets strict quality standards.

2. Advanced Manufacturing Process
Adopting leading international manufacturing processes and technologies to ensure that our products maintain high precision and consistency during the production process.

3. Comprehensive Inspection and Testing
Each product undergoes strict quality inspection and testing, including pressure test, corrosion resistance test and sealing test, to ensure the reliability and durability of the products.

4. Quality Management System
We follow the ISO 9001 quality management system standard and implement strict quality control at every stage from production to delivery.

5. Continuous Improvement
We are committed to continuous improvement of our quality control processes, and we are constantly upgrading the quality of our products through regular training and technological upgrades.
6. Customer Satisfaction
Customer satisfaction is our ultimate goal. We ensure that our customers have confidence in our products and services by responding quickly to their needs and providing quality after-sales services.

7. Environment and Safety
We not only focus on product quality, but also on environmental protection and employee safety. We follow environmental regulations to ensure that our production process is green and that we provide a safe working environment for our employees.

Through the above strict quality control measures, Zhicheng Valve & Fitting Manufacturing Co., Ltd. will continue to provide high-quality valves and fittings products to our customers around the world and win their trust and support.
Certifications
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Certifications
Tel:86-0371-64011898
Fax:86
Contact Person: Mr.Liu Shan
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Industrial Wire Buckle Rubber Expansion Joint Flexible Connector with Stainless Steel 304 and EPDM Rubber for DN15 DN200Pipes |
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Flexible Rubber Expansion Joint Featuring Forged Galvanized Flanges and Single Sphere Construction for Pump Valve Systems |
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Carbon Steel Single Sphere Flexible Expansion Joint EPDM Rubber ANSI Monosfera Flange DN15-DN4000 6-40 Bars Working Pressure |
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Aquaculture and irrigation use equal/different diameter UPVC flange rubber expansion joints, vibration damping and noise reduction rubber flexible joints |
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Stainless Steel Single Sphere Rubber Expansion Joint Flexible Rubber Joint DN25-DN3000 for Pumps and Valves |






