Recently, Wenzhou Huahai Sealing. (hereinafter referred to as “Huahai Seal”) disclosed its core data for foreign trade business in 2025: the company’s overseas market share of metal ring gaskets has achieved significant growth compared to the previous year, with the SBX series products accounting for over 18% of the market share in the chemical and LNG storage and transportation fields in Southeast Asia and the Middle East. The export volume of BX metal ring gaskets has increased by 42% year-on-year, and the overall foreign trade sales are expected to grow by 38% year-on-year, far exceeding the industry average growth rate.
As a professional manufacturer specializing in the field of metal ring gaskets, Huahai Sealing has built its overseas competitiveness with three core product matrices: the third-generation SBX metal ring gasket adopts nano ceramic coating technology, which improves its corrosion resistance by three times compared to traditional products. It has been certified by DNV and API 6A, becoming the preferred sealing solution for Middle East petrochemical projects; After optimizing the tooth shaped structure of BX metal ring gasket, the sealing pressure has increased by 20%, occupying a dominant position in the LNG storage and transportation market in Southeast Asia; The RX metal ring gasket has successfully entered the overseas nuclear power supporting market with the ability to adapt to extreme temperature differences ranging from -200 ℃ to 600 ℃. The entire series of products have passed ISO9001 quality management system and SGS environmental testing, meeting the requirements of ROHS directive. 12 quality inspection processes ensure that the export product qualification rate reaches 99.8%.
In terms of market layout, Huahai Seals continues to deepen market penetration along the “the Belt and Road”. At present, it has established long-term cooperation with core customers in 12 Southeast Asian countries and 8 Middle Eastern countries, and its overseas service network covers more than 20 countries and regions. We have opened a 48 hour fast response channel for international emergency orders, setting an industry record for delivering customized products for nuclear power plants within 72 hours, with a customer repurchase rate of up to 78%. The intelligent selection system launched in 2025 achieves a 3-second generation of working condition matching solutions, greatly improving the efficiency of overseas customer cooperation.
The person in charge of Huahai Sealing stated that the company will continue to invest in research and development resources, focusing on breakthroughs in sealing technology in emerging fields such as hydrogen energy storage and transportation, deep-sea oil and gas. At the same time, the company plans to establish a regional warehousing center in Southeast Asia to further shorten delivery cycles and strive to break through 25% of overseas market share by 2026, creating a benchmark brand for domestic metal ring gasket foreign trade.
There are many types of RTJ gaskets, including R Gasket,RX Gasket,BX Gasket, SBX Gasket,IX Gasket,flange connections,and various customized products.We will do more sharing about ring joint gasket.