Ningbo yinzhou topbon international trade co.,ltd

sNingbo Yinzhou Topbon International Trade Co.,Ltd is specialized in design, development, manufacture and sale of mechanical seals. There are 10 years since establishment of the company. Productivity has reached 10.000,000 sets seals per year. Now we are one of the largest scale mechanical seals bases in our country. The ranges involve in: industrial pump mechanical seal, mixer and agitator seal, cartridge seal, metal bellows seal, auto cooling pump seal and auto air-condition compressor lip se