Tianjin Zhiyi Times Technology Development Co., Ltd. (www.zhiyisd.cn) is a supplier of online monitoring systems and devices, utilizing environmental big data for air quality early warning and forecasting, providing technical support for scientific decision-making.

Shaanxi Zhuoheng Oilfield Equipment Testing Service Co., Ltd. was established in January 2015. The company is located in Xi'an International Port Area. The testing services we currently carry out include air respirator testing, composite gas cylinder testing, gas detector testing, and breathing valve testing. Our company serves Changqing Oilfield, Yanchang Petroleum, Bohai Drilling and some local companies in the inspection and testing of safety protection products all year round. We also provide on-site testing and sample testing according to customer requirements. The service areas include: Xi'an, Xianyang, Yulin, Weinan, Yan'an, Baoji and other regions, providing high-quality and reliable ground...

Yueqing Zhongjian Electric Co., Ltd. is a member of the High and Low Voltage Electrical Association and the Power Transmission and Distribution Industry Association. It is a subsidiary of Asia Huadong Group and an enterprise integrating scientific research, production, operation and international trade. It has production bases in Shanghai, Wenzhou and Shenzhen, and its products are sold well at home and abroad. The leading products include high and low voltage complete electrical equipment, bus ducts, cable trays, power cabinets, distribution boxes, metering boxes, fire control boxes, fan control boxes, water pump control boxes, emergency power supplies, residential intelligent centralized control boxes and other products.

Beijing Zhongjiao Engineering Instrument Research Institute (www.zhongjiao.cn) mainly deals in true density meters, rotary compactors, rotary shear compactors, retroreflective marking measuring instruments, retroreflective sign measuring instruments, and retroreflective color measurement systems. Our company is an entity enterprise integrating R&D, production, sales, leasing, and measurement and calibration. It not only has superb technical levels at home and abroad, but also has good after-sales service and solutions. Welcome to call us for consultation.

Zhengzhou Zhuoyue Intelligent Equipment Co., Ltd. is a high-tech enterprise integrating R&D, sales and service. Its main products include PM2.5/PM10 sensors, industrial frequency conversion control cabinets, carbon monoxide sensors, etc. It has passed ISO9001 quality management system certification and CE certification. and other product certifications, with professional R&D, design and production capabilities, and has currently obtained more than 20 product patents and software publications.

We work with the entire line of products and materials for laboratory analysis, acid reagents, bases, general equipment, microscopes, spectrophotometers, etc.

Shanghai Ximaikesi is a supplier of various water quality testing instruments and equipment of German MN online water quality analyzer. Its main products include: cod online analyzer, COD water quality tester, portable water quality tester, UV-visible spectrophotometer, multi-parameter, heavy metal detector, etc., providing online detection and monitoring of wastewater and sewage. It is committed to the analysis and monitoring of water quality, atmosphere, and soil. It is widely used in municipal, industrial and other fields for on-site or online analysis. Toll-free hotline 021-3352-2300.

The center provides air quality testing, environmental testing, formaldehyde testing, and related pollution detection consultation services specifically for clients in the Zhangjiagang area.

Zhongjie Huanmiao (Jiangsu) Environmental Technology Co., Ltd. is committed to oilfield environmental protection projects including the sludge treatment market and mercury-containing core treatment development and has achieved good results.

Zhejiang Shuixin Group Co., Ltd. Zhejiang Shuixin Group Co., Ltd. (Shuixin Co., Ltd. for short) is a comprehensive investment and operation enterprise group that mainly invests in hydropower projects, and also invests in real estate, building inspection and testing, engineering and shipbuilding industry, motor vehicle driving training, stone mining, energy development, and tourism. Under the leadership of the management team led by founder and chairman Jiang Wenlong, the company has successively invested in the construction of the Pujiang Xianhua Reservoir Project, Longyou Xiaoxi Beach, and the Longyou Xianhua Reservoir Project.