Shandong Haimaisi Environmental Protection Technology Co., Ltd., located in Weifang, Shandong, is affiliated to Shandong Hechuangzhiyun Environmental Protection Equipment Group. It is a technological innovation enterprise integrating the research and development, manufacturing and sales of ozone generators. Haimaisi is based on ingenuity and highly focused on the further improvement of ozone generator technology, providing customers with efficient and reliable ozone generation systems, which are widely used in municipal water supply, municipal drainage, industrial wastewater, waste gas treatment, swimming pool water treatment and other fields.

Shandong Huamao Ventilation Equipment Co., Ltd. produces spiral duct series (galvanized steel plate, stainless steel plate), rectangular duct series (common plate flange, angle steel flange), muffler series (silencer static pressure box, impedance composite muffler, resistive muffler, etc.), air valve series (regulating valve, check valve, etc.), etc.

Zhangqiu Hongming Casting Co., Ltd. mainly casts various types of ductile iron, gray cast iron and steel castings. We can produce according to customer needs and samples. Contact number: 13356689718

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A provincial-level tertiary comprehensive hospital, recognized as a training base for cardiovascular disease specialists and various other medical disciplines.

Harbin Bearing Group Jinan Sales Co., Ltd. Zibo Branch was established in November 2003. It is a direct sales branch established by Harbin Bearing Group Shandong Direct Sales Center in Zibo. It is responsible for the sales of HRB bearings in Zibo. It mainly produces imported bearings and Harbin bearings, and provides customers with pre-sales, in-sales and after-sales services. The company's spot inventory serves distributors and terminal users in various places.

Shandong Henry Food Machinery Co., Ltd. is a professional company that produces food machinery. Its main products include: clean vegetable distribution and processing equipment, central kitchen pre-processing equipment, jujube and dried fruit production lines, vegetable quick-freezing pre-processing lines, pasteurization production lines, meat processing equipment, etc.

Shandong Hi-Speed ​​Chongqing Development Co., Ltd. (hereinafter referred to as the "Company") is a regional development company affiliated to Shandong Hi-Speed ​​Building Materials Group Co., Ltd., which was established in January 2012 with a registered capital of RMB 17.5 million. The Company mainly deals in various types of domestic and imported road asphalt (No. 70, No. 90, etc.); asphalt storage; production and processing of modified asphalt such as SBS modified asphalt, rubber modified asphalt and composite asphalt; concurrently deals in steel, stone, emulsifier, various asphalt additives, cargo...

The company offers various products and services, though specific details were not accessible from the provided information.

Shandong High-Speed Rail Transit Group Co., Ltd. is engaged in the construction and operation of high-speed rail and urban rail transit systems.