Jiangsu Suzhou Purification Technology Co. Ltd, established in 2007, is a manufacturer and trading company based in Suzhou, China, specializing in HVAC systems and clean room solutions. As a state-owned subsidiary of Jiangsu Suzhou Purification Group, the company boasts a Grade 1 Qualification of Construction Certification for air cleaning and conditioning system engineering. They offer comprehensive services including design, manufacturing, installation, testing, and verification of air cleaning and conditioning systems across various cleanliness levels. With over 2500 contracted projects in high-tech fields such as mechanics & electronics, information technology, nuclear energy, and pharmaceuticals, the company provides OEM services and has its own brand, SUJING. Their product portfolio includes HVAC systems, clean room systems, air handling units, clean benches, sandwich panels (PU/EPS/Rockwool/Paper&Aluminum Honeycomb), air showers, air filters (including HEPA), plenum boxes, FFU, and pass boxes. The company is certified with ISO 9001, ISO 14001, GMP, and ISO 20000, and has an annual revenue between 2.5 million and 5 million USD. They employ 11 to 50 people and actively export to international markets including Russia, Yemen, Ethiopia, Macao, India, Bangladesh, and Iran.
Suzhou Huazhijie Purification Technology Co., Ltd. (HZJ Filter) is a specialized manufacturer and trading company headquartered in Suzhou, China, with over 12 years of expertise in the air purification industry. Established in 2012, the company operates from a 3,569-square-meter facility and provides comprehensive air filtration solutions, including OEM and ODM services. The company is ISO 9001 and CE certified, maintaining a strong focus on quality control and technical innovation supported by 18 patents.
The company's extensive product portfolio covers primary, medium-efficiency, and high-efficiency filters (HEPA and ULPA). Key offerings include pocket filters, bag filters, V-bank filters, activated carbon filters, and specialized media for HVAC systems and paint booths. Beyond filter components, HZJ Filter manufactures purification equipment such as Fan Filter Units (FFU), air showers, pass boxes, cleanroom doors, and sandwich panels. These products are designed for critical environments across diverse sectors, including biopharmaceuticals, semiconductors, healthcare, food processing, and photovoltaic manufacturing.
With a workforce of 11 to 50 professionals, the company serves both domestic and international markets, including Southeast Asia and Western Europe. HZJ Filter is recognized for its technical strength and service-oriented approach, offering turnkey cleanroom solutions and custom sampling to meet specific industrial requirements.