FAQ about pipe fittings and flanges

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FAQ

To which country have you supplied your products?

We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru, USA, Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.)

How can I get some samples?

If you need, we will offer you samples for free, but new customers are expected to pay express charge.

What certifications do your products have?

Our products comply with international standards such as ASTM, ANSI, JIS, DIN, and GB. We also hold various certifications to assure quality and reliability, including ISO 9001.

Latest News

Industry News

Oct. 09, 2026

Carbon Steel Elbow Procurement Guide: How to Choose the Right Product?

Carbon steel elbows are vital connecting components in industrial piping systems, widely used in sectors such as oil and gas, chemicals, power generation, water supply, and construction. Selecting the right carbon steel elbow ensures reliable connections, enhances system operational efficiency, and reduces maintenance costs.
Industry News

Sep. 28, 2026

How to Weld Socket-Weld Flanges

Socket-weld flanges (abbreviated as SW flanges) are similar in basic shape to slip-on flanges with hubs, featuring a socket-like recess in the bore. Because a gap exists between the flange and the steel pipe—which can lead to corrosion—a circumferential weld is typically required on the back of the flange; however, applying an internal weld can prevent this type of corrosion.
Industry News

Sep. 23, 2026

How to Choose Carbon Steel Elbows? 5 Key Parameters for Buyers to Consider

In piping systems for the petroleum, chemical, power, natural gas, construction, and industrial sectors, carbon steel elbows are vital fittings used to change the direction of the pipeline. Although their structure appears simple, different projects impose varying requirements regarding material, dimensions, wall thickness, connection methods, and pressure ratings.