2017-05
- Patent2017-05-11
- Trademark2017-05-11
- Quality mangement system certificate2017-05-11
- Occupational health and safety management system certificate2017-05-11
- Environtal management system certificate2017-05-11
- Brand-name products in Xi’an2017-05-11
- high-tech enterprises2017-05-11
- Shaanxi Province SME Innovation R & D Center2017-05-11
- Series of static arc contact2017-05-11
- High voltage contact with chromium bronze2017-05-11
- The full series tungsten-base contact2017-05-11
- Series of special-shaped conductor and dynamic arc contact2017-05-11
- Series of tungsten shielding type of contact2017-05-11
- Stainless steel screen class2017-05-11
- Series of static arc contact2017-05-11