Yingkou Tonglida Machinery Co., Ltd.
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Qinhuangdao Tonglida Environmental Protection Energy Co., Ltd.
🇨🇳 China
199851-100 peopleService Company/ManufacturerEstablished brand
High-tech enterprise
Own brand
ODM manufacturer
Key customer
CHINA AEROSPACE
Description
Qinhuangdao Tonglida Environmental Protection Energy Co., Ltd. is a professional manufacturer and service provider established in 1998, specializing in environmental water treatment and energy-saving solutions. Based in Qinhuangdao, China, the company operates as a high-tech enterprise integrating R&D, design, manufacturing, installation, and operation. With a workforce of 51 to 100 employees, they maintain a robust quality management system backed by ISO 9001, ISO 14001, and ISO 45001 certifications, alongside specialized qualifications for pressure vessel design and manufacturing (A1 and A2 levels).
Their comprehensive product portfolio includes industrial and rural water treatment systems such as reverse osmosis equipment, ultrafiltration units, integrated dosing devices, and sodium carbonate silos. Additionally, the company is a significant producer of heat exchangers, pressure vessels, nitrogen gas storage tanks, and anticorrosion products. Through its subsidiary, Liaoning Tonglida Technology Co., Ltd., the firm leverages advanced production facilities to serve diverse sectors including metallurgy, petrochemicals, and municipal engineering.
Tonglida has established a strong market presence by providing zero-discharge and reclaimed water reuse systems to high-profile clients such as Sinopec, PetroChina, and Shougang Group. Recognized as a "Specialized and Sophisticated" enterprise in Hebei Province, the company continues to focus on low-carbon technologies and solid waste reuse for both domestic and international markets.
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Qinhuangdao Tonglida Env-Pro Energy Engineering Co., Ltd
🇨🇳 China
1998101-200 peopleManufacturer/Service Company/Trading CompanyEstablished brand
High-tech enterprise
Patented technology
ODM manufacturer
Key customer
ANGANG GROUP
Key market
Asia
Description
Qinhuangdao Tonglida Env-Pro Energy Engineering Co., Ltd, established in 1998, is a comprehensive manufacturer, service company, and trading company based in Qinhuangdao, China. With 101-200 employees and an annual sales volume ranging from US$5M to US$10M, the company specializes in environmental water treatment and energy-saving solutions. They offer a wide range of products and services including water treatment systems, heat exchangers, pressure vessels, ORC units, reverse osmosis equipment, ultrafiltration equipment, integrated dosing devices, automatic filters, deaerators, storage tanks, wastewater treatment equipment, energy-saving equipment, membrane modules, and sewage treatment equipment. The company provides full-service capabilities from design and manufacturing to construction and operation, serving sectors such as metallurgy, chemical, and rural industries. They operate a factory and offer contract manufacturing (OEM) and original design manufacturing (ODM) services. Qinhuangdao Tonglida Env-Pro Energy Engineering Co., Ltd holds ISO 9001 certification, along with numerous other certifications including high-tech enterprise status, various pressure vessel design and manufacturing qualifications (Class I, Class II, A1, A2), and environmental engineering qualifications. Their subsidiary, Liaoning Tonglida Technology Co., Ltd., is a significant manufacturer of pressure vessels and heat exchangers with a production capacity of 10,000 tons/year. The company exports to international markets including Asia, North America, and Western Europe, and has established partnerships with companies from the USA, Germany, and Japan.
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