- Insulation Blowing Machines-insulationmachines.net
- Main business: insulation blower machine
- North AmericaAmerican (Service)
- ZHEJIANG SUNKEY INDUSTRIAL CO., LTD
- Main business: construction material
- East AsiaChina(Mainland)
- Jinzhou Taifeng Quartz Co., Ltd.
- Main business: uartz glass products,quartz tubes
- East AsiaChina(Mainland) (Manufacturer)