Beijing in aino DE instrument co., LTD., is committed to building China's instrument carrier brand. Beijing in aino DE instrument co., LTD is a professional design, development, production and sales in the integration of high-tech joint-stock enterprises, focus on the development of new materials testing machine, material testing technology and innovative methods of material testing, test instruments is a leading domestic materials production enterprises. Office chair reciprocating impact testing machine Number: GD201312270001 Specification: BGCJ - A Office chair reciprocating impact testing machine 1. The test standard: EN, BIFMA, BS, GB 2. The maximum load: 136 ㎏ 3. Impact stroke: 0 ~ 300 (mm) is adjustable 4. Test frequency: 10 ~ 30 times/min) 5. The clearance time: 0 ~ 99 (s) is adjustable 6. The test result: 0 ~ 999999 (times) can be set 7. The control mode: touch screen type or digital display type choose 8. Source: p 5 kg/cm2 9. Impact height can be adjusted freely, damage the automatic stop and keep the test data 10. Power supply: AC 1? 50 hz, 220 v Contact phone: : 2576918187 After-sales service commitment: 1. Service tenet: quick, decisive, accurate, thoughtful and thorough 2, the service goal: quality of service to win customer satisfaction 3, service efficiency, guarantee or warranty, such as equipment malfunction, after being notified, the supplier made within 1-3 working days. The user can through the technical problems related to after-sales ephone counseling, and had a clear solution 4, the service principle: instrument product warranty for one year, during the warranty period the supplier will be free repair and replacement of damaged parts belong to the quality reason, warranty parts damaged, only accept cost, provide fittings by the buyer's equipment damage caused by human factors, the supplier repair or provide fittings are at the cost price. \