RETOP offers a full line of products including stationary battery monitor and tester, battery diagnostic system, capacity testing system, resistance tester, power quality analyzer and railway locomotive examination. All products are accredited to the international quality standards of ISO 9001: 2000. As the leading manufacturer in China, RETOP continuously updates its products and improve its services. Our R& D team is always committed to the development of new advanced products that are up-to-day. Meanwhile, RETOP&＃039;s products are cost effective with reliable performance and competitive price. For years, RETOP has become great support to the government, power utility, telecom, railway station and thus build its good reputation in China. With our great success and rich experience in domestic market, RETOP is striking to service the need of global users for battery testing, power quality monitoring and locomotive examination. We bear in mind that our success derives from our customers’ success. And we are always proud to help our customers boost their efficiency and benefit with our excellent product and continuous services.