Hebei Zhongzheng Experimental Instrument Co., Ltd. is located in the hometown of experimental instruments, specializing in the development of new standard instruments and early research and development based on standardsSand based permeable brick filtration rate tester, sand based permeable brick slip resistance tester, sand based permeable brick drop ball impact tester, sand based permeable brick impact resistance testerElectrical conduit testing equipment, plastic pipe testing equipment, electrical installation conduit testing equipment, wall brick testing equipment, concrete testing instruments, cement mortar testing instruments, highway geotechnical testing instruments, waterproofing membrane testing instruments. The main products include electrical conduit gauges, plastic pipe marking devices, electrical conduit pressure testing machines, electrical conduit impact testing machines, electrical conduit bending testing machines, horizontal and vertical flame resistance testing machines, oxygen index measuring instruments, cable conduit heat resistance testing devices, cable conduit bending testing machines, wall brick test molds, wall brick magnetic vibration tables, wall brick mixers and other electrical conduit, cable conduit, electrical installation conduit and plastic pipe testing, wall brick testing equipment. The production requirements comply with JG3050-1998 standards and are suitable for testing the inner and outer diameters of plastic insulated electrical conduit in buildings or structures, compressive resistance, impact resistance, bending resistance, flattening resistance, heat resistance, flame retardancy, oxygen index measurement, etc. Determination of Electrical Performance and GBT 6671-2001 Measurement of longitudinal shrinkage rate of plastic pipes. The wall brick testing equipment complies with standards such as GB20544-2010 and GB/T2542-2012. We can provide a complete set of laboratory testing instruments and inspection equipment for highways, railways, bridges, mixing plants, municipal engineering, colleges and universities, and engineering quality inspection centers. At the same time, professional technicians provide instrument consultation, technical explanations, installation and debugging, equipment maintenance, etc. Our company always adheres to the principles of quality and reputation, with strong technical strength, strict process control, rich professional manufacturing experience, perfect quality assurance system, and after-sales service, allowing Zhongzheng people to build a bridge of friendship with you.