Suzhou LEIEN Testing Instruments Co., Ltd. takes technological innovation as its driving force and deeply cultivates the entire ecological chain of furnace temperature testing systems. As a high-tech enterprise integrating independent R&D, intelligent manufacturing, and global marketing, the company focuses on the LEIEN furnace temperature testing system. It manufactures and sells high-temperature resistant furnace temperature testers, furnace temperature trackers, wireless furnace temperature trackers, and high-temperature black box insulation boxes. The company also provides technical services for furnace temperature uniformity testing of various types and a complete set of laboratory equipment.
With an international vision and outstanding technical strength, its core brands—LEIEN Furnace Temperature Tester and LEIEN Furnace Temperature Tracker—feature intelligent measurement and control equipment supporting more than 30 languages, breaking geographical usage barriers.
Its products are widely used by over 1,800 enterprises across various industries, including industrial furnace manufacturing, metrology and calibration, SMT, rotational molding, semiconductor curing, electronic chips, brazing, photovoltaic lamination and sintering, coating powder, hardware baking, ink screen printing, medical and food, glass heating and tempering, vacuum coating, lithium battery sintering, automotive aluminum wheels, iron and steel heat treatment, aging, and quenching & tempering. They cover high-end manufacturing sectors such as electronics, new energy, automotive, and aerospace.
By accurately capturing temperature profile data, the company enables intelligent furnace temperature control and process optimization, effectively improving product yield, reducing energy consumption and costs, and empowering enterprises with efficient development.




















