About Us

Ningbo Sunshine Sealing Technology Co., Ltd is world leader in manufacturing oil and gas industrial seals and valve seals. The company mainly produces the metal ring joint gasket less than 60 inches and also can produce the seal gaskets with maximum size of 60 inches, which can provide more than 20 different types and materials for customers to choose. Our professional team also can provide solutions according to different conditions. And the Ring Joint Type gaskets we make can be in Oval, Octagonal, BX, RX, SBX, SRX, IX, HX, CX and so on. We also stocks large quantity of raw materials such as soft iron, ss 304, ss 316l, ss 321, ss 347, 5Cr-0.5Mo, Inconel 600, Incoloy 825, Monel 400, Nickel 200, Hastelloy B2, Hastelloy C276 and other metal material for manufacturing Ring Type Joint Gasket.

Ningbo Sunshine Sealing Technology Co., Ltd began operations at the end of 2006. After nearly 15 years of development, Ningbo sunshine has become the private enterprise that grasped core technology in metal seal, especially in seal system of ball valve. The products are mainly exported to the main valve factories in the five continents. Our success is largely due to the manufacturing capacity, design experience and the employee's efforts.

Ningbo Sunshine Sealing Technology Co., Ltd manufactures the products strictly according to the processes specified in API spec 6A. Customers will get the seal solution and products at a reasonable cost, and we will take efforts to repay the customers with less delivery time, low freight, better after-sale service and technical supports.

        All Types of RTJ Gaskets
        Octagonal Ring Joint Gasket
        Oval Ring Joint Gasket
        SBX Ring Joint Gasket
        SRX Ring Joint Gasket
        BX Ring Joint Gasket
        RX Ring Joint Gasket
        HX Ring Joint Gasket
        AX Ring Joint Gasket
        IX Ring Joint Gasket