Who we are 

ZHANGZHOU BOLILAI INDUSTRIAL TRADING CO.,LTD is an international trading company for ferrous and non-ferrous welding consumables, plate, pipe flange manufacturers and fittings in CHINA. We have been focusing on traditional metal product for more than 10 years and we keep growing by providing our value customers with various competitive product to maintain their interest,We are also aiming to providing reliable quality metal product to our served customers. If you are looking for the best quality pipe flange and  fittings for your devices. YeeChengHK is definitely one of your best pipe flange manufacturers in China. We reflected in-time, we valued every customers.We will help you by supplying the superior fittings with the reasonable price that you can afford. 

Our pipe flange & fittings conform to the most stringent designs and standards as well as providing economical shipping scheme to ensure fast, reliable service at price.

Pipe Flanges Manufacturers

At the same time, our elite sales staff and veteran machinists work together closely to ensure that the highest quality of care is implemented in every stage of creating each precision engineered products. Our QC department works tirelessly to inspect each of them before releasing it from warehouse.

We offer the standard product  pipe flanges by ANSI /ASME/ DIN. Pipe flange manufacturers covers all kind of flanges including slip-on pipe flange, weld necks pipe flange, lap joint flange, blind flange, threaded and socket weld flanges; various pipe fittings which are made of carbon steel, stainless steel, alloy steel and other special non-ferrous material.

Our supplying factories are all well- fledged and certified. We are able to supply state-of-art product which requests more precision on size and chemical composition.  We supplied to SINOPEC, CNPC AND CNOOC in oil and gas industry, as well as a supplier for CNPE, CNPEC AND SNPEC in nuclear power industry domestically.

None-standard/ custom flange for special application

BOLILAI are able to supply other non-standard flange and fittings according to customer’s unique design and application. We have a massive first-hand raw material sourcing from largest steel mill and pipe flange manufacturers in CHINA to guarantee the best raw material quality and price. We work closely with mill to satisfy custom design and application by adjusting chemistry of raw material. This is also one of our advantage of giving the best competitive price for our own valued customer.

Feel free to contact us. We’re sure your any inquiry or requirement will get prompt attention and served.