The company specializes in the development and production of various testing equipment, including constant temperature and humidity test chambers.

恒瑞宏晟机电设备专注于生产和销售高效的机械设备，提供最新的风机和空调解决方案。

With green industry, we will continue to help human water ecological civilization to move forward; with environmental protection industry, we will continue to promote sustainable development of energy and environment. We will strive to contribute to my country's economic construction, improve people's livelihood, protect ecology, and promote social progress.

Beijing Hengtong Wanda Instrument Co., Ltd. is a trading company engaged in the sale of domestic and imported instruments and equipment. It has good cooperative relations with many instrument manufacturers and can provide professional services, high-quality products and preferential prices. Users are widely distributed in the petroleum, petrochemical, chemical, coal, metallurgy, electricity, municipal administration, fire protection, medicine, telecommunications and other industries.

Huihua Technology was established in August 2002 and is responsible for the marketing, sales, and after-sales service of HETRONIC remote control products in China. It also provides special equipment remote control systems, tunnel boring machine remote control systems, smart mining solutions and other services. The company is committed to the research and development, production, installation, and service of visual remote intelligent control systems for tunnel boring machines. We understand the needs of user projects on the spot and make the best solutions, providing a full range of services from product selection, production customization, on-site installation, and acceptance.

Baoji Saiwei Heavy Machine Tool Manufacturing Co., Ltd.

Beijing Golden Orange Technology Co., Ltd. is a high-tech enterprise focused on the research and development, production, and sales of beam transmission and control products. Founded in Beijing in 2004, the company adheres to the core philosophy of 'respecting every individual, using technology to improve life, and achieving win-win sustainable development.' It has formed a complete company structure and cultivated a dedicated, high-level professional team. Looking ahead, Golden Orange will continue to innovate, providing high-quality products and services to system integrators and jointly promoting the development and progress of China's laser industry.

Beijing Jingdian Bijie Motor Co., Ltd. was restructured from the state-owned enterprise Beijing Motor General Factory into Beijing Bijie Motor Co., Ltd. It is a personalized enterprise that produces and sells wind power series motors, cooling tower series motors, vacuum furnace series motors, YKK series high-voltage motors, and develops intelligent motor products and controls.

PMB battery is a brand of Shanghai Tangqian Electronics Co., Ltd. Since Tangqian established the joint venture of valve-controlled sealed battery in 1999, it has continuously introduced and absorbed advanced technologies and processes at home and abroad. The raw materials of PMB brand battery are ultra-fine lead powder, the plates are solidified with BS, additives imported from Japan, new ultra-pure electrolyte and nano-grade colloid materials. Long service life. 24-hour hotline: 15313870679

Beijing Jiewa Electromechanical Equipment Co., Ltd. was established in 1997. It has formed partnerships with world sanitation equipment manufacturers such as Germany's KARCHER, Germany's MAHA, and Italy's COMAC, and is committed to the development of China's environmental protection cleaning equipment industry. After more than ten years of development, it has a strong technical force, rich experience in solving professional cleaning solutions and sufficient supporting facilities.