The instruction manual is always beside rubber parts . If no such instruction manual is found, you are welcomed to contact us. Then an electronic version may be offered. The instruction manual is aimed at offering you detailed operation and installation info. If you find it hard to understand, video or other effective ways may be available based on the demand.

Ruichen Sealing Co., Ltd. has become a domestically competitive company. We offer professional services in developing, designing, and producing custom rubber parts. The rubber ball series has become a hot product of Ruichen Sealing. This product has certain air permeability. It provides a way for the skin to exchange air with the outside world. At the same time, it helps human heat escape. It has the ability to fill the minute irregularities. The product is well known as it can enhance the beauty and elegance of the building, widely used to build homes and commercial settings. It can resist rolling, twisting, or shifting.

We put efforts to develop higher customer satisfaction. We will actively listen to customers through diverse channels and applying their opinions to product development, product quality & service improvement.