1. Shenzhen Xigu Constant Temperature Humidity Refrigeration – 20+ years experience in refrigeration technology. Produces precision constant temperature humidity chambers with ±0.5°C accuracy, 20-98% RH humidity range. ISO9001 and ISO14001 certified with multiple patents. Website: [Company Profile] -3

  2. Guangzhou Panyu Jieneng Homoiothermy and Constant Humidity Equipment – Established 1992, 4 million HKD capital. Specializes in refrigeration and air conditioning equipment, constant temperature humidity chambers for industrial applications. ISO certified. Website: http://www.jieneng-china.com -9

  3. Shanghai Linpin Instrument Stock – Leading manufacturer of environmental test chambers. Website: http://www.linpin.com.cn

  4. Guangdong Bell Experiment Equipment – Specializes in constant temperature humidity chambers for testing. Website: http://www.bellgroup.com.cn

  5. Chongqing Yinhe Test Instrument – Produces environmental test chambers for various industries. Website: http://www.yinhe-china.com

  6. Wuxi Suoyate Testing Equipment – Manufacturer of programmable constant temperature humidity chambers. Website: http://www.suoyate.com

  7. Beijing Yahua Jingyi Technology – Specializes in laboratory environmental chambers. Website: http://www.yahuajingyi.com

  8. Shanghai Jiayu Industrial – Produces walk-in constant temperature humidity rooms. Website: http://www.jiayu-china.com

  9. Nanjing T-Bota Scietech Instruments & Equipment – Manufacturer of stability test chambers. Website: http://www.t-bota.com

  10. Guangzhou Huafeng Test Instruments – Specializes in environmental testing equipment. Website: http://www.hf-test.com