Shanghai Rongjida Instrument Technology Co., Ltd. was established in 2015. Specializing in the manufacturing and processing of test instruments, and technology development, technical consultation and technology transfer in the field of building materials and instruments. The products involve constant temperature and humidity test chamber, high and low temperature test chamber, high and low temperature alternating damp heat test chamber, high and low temperature impact test chamber, ultra-low temperature test chamber, xenon lamp weathering test chamber, formaldehyde release chamber, VOC release chamber, walk-in high and Low temperature Environmental test chamber, pull-out testing machine, cement mortar rheometer, electronic universal material testing machine, concrete pressure testing machine, cement compression and bending testing machine, concrete freeze-thaw test chamber, mortar tensile testing machine, mortar curing box