Quality Control

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Our Quality
We implement strict quality control throughout the entire production process. All products are manufactured in accordance with the ISO 9001 quality management system and PED/TS requirements. Inspection and testing procedures are applied based on product type, technical specifications, and applicable standards (GB, ASME, ASTM, JIS, DIN, EN, etc.).
Testing Capability
We are equipped with standard inspection tools dedicated to flanges and forgings.
All product testing is carried out strictly in accordance with both product standards and customized customer requirements.
Typical inspection items cover dimensional inspection, hardness testing, material composition verification, mechanical property testing, as well as non-destructive testing methods including UT, MT, PT and more.
When necessary, we cooperate with qualified third-party inspection agencies to guarantee the accuracy, traceability and full compliance of products with relevant standards.
Related Issues
Q:What are the primary application scenarios for the company's products? Can they meet the needs of specialized industries?

The company's pipe flanges and precision forgings are widely applicable across multiple sectors including petrochemicals, energy and power, machinery manufacturing, and municipal engineering. They satisfy diverse requirements for both standard and non-standard flanges. Leveraging multi-standard production capabilities, customized service advantages, and stringent quality control, the products meet the high-performance and safety demands for precision components in various specialized industries. The company currently serves multiple industry-leading enterprises.

Q:Does the company possess a complete production chain? What are the core production capabilities?

The company maintains comprehensive in-house end-to-end production capabilities. Core processes encompass forging, machining, heat treatment, and testing, enabling integrated services from raw material processing to finished product delivery. This ensures controllable production workflows and consistent product quality without external dependencies, thereby enhancing delivery efficiency and reducing communication costs.

Q:What size and weight ranges do your pipe flanges and precision forgings cover?

Product dimensions span the full range from 1/2 inch to 60 inches. Individual components can weigh up to 10 tons and measure up to 4 meters in maximum size. This comprehensive capability accommodates both standard and non-standard flange applications, delivering reliable solutions for clients of varying scales and requirements.

Q:What standards does the company use to manufacture pipe flanges and precision forgings? Does it support customized production?

The company can precisely manufacture products according to multiple international and domestic standards, including GB (Chinese National Standard), ASME (American Standard), ASTM (American Society for Testing and Materials), JIS (Japanese Industrial Standard), DIN (German Industrial Standard), and EN (European Standard). Customized production is also supported, enabling the precise R&D and manufacturing of fully tailored components based on customer-provided drawings. Comprehensive technical coordination and quality control services are provided throughout the process.