Shanghai Tonghe Consulting Company is a professional ISO certification consulting company with more than ten years of certification consulting experience. It has provided ISO certification consulting, JIS certification consulting, and KS certification consulting services to hundreds of customers across the country. The company's customers are spread across all walks of life. It has rich ISO certification consulting experience and has established good cooperative relations with certification companies in various countries across the country and around the world. It provides customers with ISO certification, customer factory inspection, JIS certification, and KS certification consulting in an efficient and express manner.

Zhuhai Tonghai Technology Co., Ltd. was established in 1999 and is an industry-leading provider of information technology, products and solutions. The company is headquartered in Zhuhai and has branches in 8 cities including Beijing, Nanjing, Guangzhou, Wuhan, Shenzhen, Kunming, Hangzhou and Xi'an as well as Vietnam, with a total R&D team of more than 300 people.

Dongyan, heat treatment, metal processing

Dengfang Shanghai Electronics Co., Ltd. is a branch of Toho Electronics Co., Ltd. of Japan. It specializes in PID thermostats, paperless recorders, paper recorders, temperature sensors and mainly sells Japanese products. It is an agent for well-known Japanese brands of flow sensors, flow meters, ultrasonic level gauges, pressure gauges, pressure switches, pressure transmitters, temperature stickers, gas detectors, gas detectors

Zhuji Real Estate Network is a professional real estate information website dedicated to Zhuji City. It is a professional Zhuji real estate information website that integrates Zhuji new real estate registration, Zhuji second-hand housing information, Zhuji rental housing information, Zhuji community directory, Zhuji real estate agency information, etc.

Tuojikai is a professional and fashionable work wear brand that provides customized work wear and logo embroidery services, as well as pictures of various work wear styles. It offers spot sales, considerate after-sales service, and 7-day unconditional returns.

Donghaiyao Carbon (Dalian) Co., Ltd.

Shanghai Donghai High Heat Refractory Products

Dukai Optical Trading (Shanghai) Co., Ltd.

Suzhou Dongxi Precision Mold Materials Co., Ltd. is a specialized wholesaler and retailer of mold steel materials with eighteen years of experience in the industry. The company has a number of skilled engineers with over a decade of rich experience, strong technical capabilities, ample supply, guaranteed quality, and rapid service.