Yancheng oujia specializes in producing industrial electric heaters with a strength R&D. Our products include air cooling & heating system, ceramic heaters, cast aluminum/copper mica cartridge infrared tubular immersion thermocouples, high ...

Vanguard enterprise was founded in 2000, having established satisfactory trading relations with dozens of countries and regions all over the world, we have formed a quite extensive international marketing network. last year our turnover is covered USD5 ...