WENZHOU CHANGMI AIRTIGHT MANUFACTURING CO.,LTD.
Wenzhou Changmi Airtight Manufacturing Co., Ltd. produces mechanical seals for a wide range of pump applications, backed by a long-standing quality system and strong after-sales support.
Est. 1984NO.26ZHENG ROAD PUDONG LADUSTR IAT ZONT
ISO9002: 1994ISO9001: 2000
About WENZHOU CHANGMI AIRTIGHT MANUFACTURING CO.,LTD.
Wenzhou Changmi Airtight Manufacturing Co., Ltd. is a joint venture established in 1984, specializing in mechanical seals used across many types of pumps. Its product offering includes seal components such as Silicon Carbide rings, graphite Carbide rings, Tungsten Carbide rings, rubber seals, and related items.
The company focuses on advanced management methods and manufacturing technologies, with ongoing development of new product types and enhanced testing measures to meet market requirements both in China and overseas.
A quality system is maintained in line with ISO9002:1994 and ISO9001:2000. Changmi’s mechanical seals are widely applied in industries including petrochemical, oil refining, power generation, light industry, food processing, pharmaceuticals, and wastewater treatment, serving customers in domestic and international markets.
Company Overview
- Company Type
- Joint venture
- Established
- 1,984 year
Products & Applications
Main Product Focus
Mechanical seals for pumps
Key Materials & Components
Silicon Carbide ringsGraphite Carbide ringsTungsten Carbide ringsRubber seals
Industry Applications
PetrochemicalOil refiningPower industryLight industryFood processingPharmaceuticalWastewater treatment
Markets
- Sales Coverage
- Domestic and international markets
Major Export Regions
EuropeAmericaAfricaSouth-east AsiaUSA
Capabilities
Management and Technology
The company emphasizes advanced management methods and manufacturing technologies, while continuously developing new product types to match evolving customer needs.
Testing and Verification
Testing measures are continually strengthened to support product reliability and market adaptability at home and abroad.
Quality
Quality Assurance
A quality system is established and maintained in accordance with ISO9002:1994 and ISO9001:2000, supporting consistent manufacturing and dependable product performance.
Service & Values
Service and Integrity
Changmi prioritizes product quality, responsive after-sales service, and honest cooperation, building long-term relationships with customers worldwide.
Additional Product Lines
Other Products
Hydraulic apparatusPneumatic apparatus
Contact Information
- Address
- NO.26ZHENG ROAD PUDONG LADUSTR IAT ZONT
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