Manufacture of DN65 High efficiency metal and rubber expansion joints supplier -Shanghai Songjiang Group Get Rubber Expansion joints inner membrane air bladder patent

Introduce of Shanghai Songjiang Group–Manufacture of DN65 High-efficiency metal and rubber expansion joints supplier Who Get Rubber Expansion joints inner membrane air bladder patent. which will make the inner wall of the produced rubber expansion bellows distinctive, and the stripes will identify the genuine Shanghai Songjiang Group at a glance, and will no longer be imitated by unscrupulous merchants

【Patent Certificate】Rubber Expansion joints inner membrane air bladder patent

Introduce of Shanghai Songjiang Group–Manufacture of DN65 High-efficiency metal and rubber expansion joints supplier Who Get Rubber Expansion joints inner membrane air bladder patent. which will make the inner wall of the produced rubber expansion bellows distinctive, and the stripes will identify the genuine Shanghai Songjiang Group at a glance, and will no longer be imitated by unscrupulous merchants

This kind of design is very popular in the field of tires, but not in the field of rubber expansion Joints. Songjiang Group, as a leader in the domestic rubber expansion bellows industry, has to make changes to its products and provide them with better quality to serve customers.