Ningbo Yierka Seals Co., Ltd was established in 1982 to research, develop manufacture and sell hydraulic and pneumatic seals. Ningbo Yierka's sealing products are manufactured with sophisticated technology and superior quality and our strong customer focus has been winning us the trust of new customers since our founding.

Yierka Seals has a professional mold research team and mold processing center and with its expertise in product design, mold development and production integration, currently has more than 45000 sets molds. Yierka Seals also has numerous seal material formulations and using imported high quality raw materials and following international standards the same production process can be tailored to provide customer specific professional sealing solutions.