Harbin Longer Science and Technology Exploitation Co., Ltd was established in 2002 by scientific researchers including doctors and professors of Harbin Institute of Technology. It concentrates on auto checking and maintenance equipment's exploring, manufacturing and distribution. It is one authority for weaving the National Communication Bureau's Industrial Standard of Computer - Controlled Checking and Cleaning Unit for Automotive Fuel Injector. Now we have obtained self-intellectual property of Laser Positioning Wheel Dynamic Balancer, nine national patents and international PCT Patent-Protection Agreement.

Longer Science and Technology Co., Ltd is a high-tech company authorized by the government and passes the certification of ISO9000.

Longer Science and Technology Co., Ltd has exploited and manufactured Laser Positioning Wheel Dynamic Balancer, Vehicle Brake Fluid Safety Tester, Automatic Tyre Tester & Inflator, Auto Fuel Injector Tester & Cleaner and Automatic A/C Refrigerant Recovery /Recycling/Recharge Equipment-five items: Forty-nine kinds of products.

At present, Laser Positioning Wheel Dynamic Balancer is the only one that has self-intellectual property among the same kind of products in China. Automatic A/C Refrigerant Recovery/Recycling /Recharge Equipment is the designated product for the CFC-12 phase-out project of refrigerant maintenance department proposed by the multilateral fund UN Montreal Protocol.

Thank you for supporting LONGER these years; We will provide best quality & lowest price products and service and we earnestly expect your cooperation and share the success together.