- Taian Taishan Jinshi Machine Co., Ltd.
- Address:Middle Part of Chuangye Road, Qingchun Chuangye Development Zone
- Shenzhen Newotech Electronics Co., Ltd
- Address:4/F Fouth Bldg ,High-tech Industrial Park,NO.156 Fuyuan Road,Heping Village,Fuyong Town,Shenzhen,Chi, Shenzhen, Guangdong, China
- Tianjin Lion Tool & Measure Tools Co., Ltd.
- Address:NO.35 WEISHANNAN ROAD JINNAN DISTRICT TIANJIN CHINA
- Laizhou Lyric Testing Equipment Co., Ltd.
- Address:232, C Zone, Wanhao Business Buliding, East Guangzhou road, Laizhou, China
- Beijing Lyseiki Technollogy Co, Ltd
- Address:Zhongguancun19 West Street Garden, Beijing, Beijing, China
- Hangzhou Zhenhua Instrument Co., Ltd
- Address:17-3Tiantaishan Road, Hangzhou, Zhejiang, China
- Shanghai FangFeng Industrial Co., LTD
- Address:NO.295,Lane 1198 Gulou RD,Shijing Songjiang,Shanghai 201601, Shanghai, Shanghai, China
- HOPE TECHNOLOGIC (XIAMEN) CO., LTD.
- Address:YUE HUA E. RD., Xiamen, Fujian, China
- Ha Ha LTD.
- Address:Wuxi, Jiangsu, China
- Jinan EMI shielding Technology Co., Ltd
- Address:509 Xinlong Building, No. 792 Hualong Road
- Jsalg Vmdlsvj Osdvm
- Address:heping, Tianjin, Tianjin, China
- Hebei Kedao Testing Machine Technology Co., Ltd.
- Address:FangCun,Yuhua district
- Shanghai Lw Scientific Co. Ltd
- Address:No.287 JunMing Rd. Zhoupu Pudong Shanghai China
- XI'AN LANDAU PETROLEUM TECHNOLOGY CO., LTD.
- Address:Fenghui South Road, xi'an, Shaanxi, China
- SASWELL Control Co., Ltd
- Address:Shangxue Industry & Science Park, Shenzhen, Guangdong, China