Jiangsu Rainbow Heavy Industries Co., Ltd. 

Recently, RHM got two utility model patent certificates issued by National intellectual property bureau, which are Wind-assisted roll reduction system for mobile port crane and Pneumatic ship unloader. The company has made new technological breakthroughs in the field of port machinery.

Up till now, the company has been granted 201 patents, 26 inventions, 171 utility models and 4 designs. The acquisition of the two patents has further improved the technical content of the company's products, strengthened the company's core competitiveness and provided strong scientific and technological support for better opening up the international market.