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Company Description
Tongchan Purification Company is an enterprise integrating scientific research, development, production and sales. Since its establishment, the company has continuously cooperated with the Air Conditioning Research Institute of the China Institute of Building Sciences, jointly developing and producing filter products. The company has twice participated in the development of the national standard GB/T-13554 "High-efficiency air filters". Throughout its activities, Tongchang Cleaning relies on technological leadership and the integration of science, education and production, providing comprehensive technical solutions in the field of air purification for various industries. The company is certified according to the following international systems: ISO 9001 - quality management system, ISO 14001 - environmental management system, ISO 45001 - occupational health and safety management system. For more than twenty years of development history, "Tongchang Purification" founded two independent branches: Tianjin Tongchang Junqi Purification Equipment LLC and Beijing Tongchang Air Purification Equipment Plant.
The company's main activities include the production and sale of a wide range of products: High-efficiency air filters of various types, Sub-high efficiency filters, Ultra-low resistance filters, Medium efficiency filters, Coarse filters, Chemical filters, High-efficiency supply panels, Ultra-low resistance panels, Filter boxes, Clean work areas (clean canopies) and other products for air purification systems.
To date, the company has developed and put into mass production more than a hundred types and sizes of air purification products. These solutions are successfully used in cleanrooms in various industries: healthcare, biopharmaceuticals, research institutions and educational organizations, control and quarantine services, veterinary medicine and animal husbandry, nuclear industry, food industry, agriculture and forestry, optoelectronics, energy, aerospace, automotive, manufacturing of precision instruments, etc. The company's products are also supplied to international markets: Russia, Japan, Singapore, South Korea, countries of Southeast and Western Asia, as well as Africa, where it was highly appreciated by end consumers.
By creating a favorable corporate environment, we base our activities on a modern management system, advanced technology, attentive service and impeccable product quality. We invariably adhere to the principle of prioritizing the interests of the client, sincerely and responsibly serving our partners, striving to win their trust and recognition for the quality of the services provided.
Company Vision
Becoming a service platform providing customers with comprehensive solutions in the field of turnkey air purification.
Business philosophy
Create value for customers, secure a future for employees, and bring value and wealth to society.
Service principle
Customer focus, survival through quality, growth through innovation.
Main activities
Production and manufacturing of: Initial efficiency filters, Medium efficiency filters, High efficiency filters, Cassette (panel) filters, Pocket filters, Ultra-low resistance filters, Chemical filters, High efficiency supply panels, Ventilation grilles (blinds), Fan filter boxes and equipment for clean work areas (clean awnings).
Service system
I.Pre-sales service (diagnosis of needs + customization of the solution)
The supplier plant specializes in advanced technologies and production of products for individual orders.
- Needs assessment and site survey.
Free Consultation: Personalized technical support to answer questions regarding filtration levels, airflow, resistance, materials, installation dimensions, and more.
Analysis of operating conditions: assessment of compliance with industry standards (GMP, ISO 14644, GB/T 14295, GB/T 13554), cleanliness level and replacement frequency.
- Selection and development of a solution
Accurate selection: primary efficiency (G1/G4), medium efficiency (F5-F9), sub-high efficiency (E10-E12), high efficiency (H13-H14), ultra-high efficiency (U15-U17), customized options for high temperature resistance/acid and alkali resistance/explosion proof/fireproof
System solution: matching of air flow resistance, combination of filtration stages, final adjustment of resistance, recommendations for replacement.
Design services: Providing design solutions taking into account working conditions.
- Checking samples and cases
Samples available: filter media/filters/test reports.
Examples of successful projects in various industries: Contractual confirmations from relevant industries can be provided.
- Business and qualifications
Commercial proposal, contract, technical agreement, delivery schedule
Providing business license, production permit, test report, ISO certificate.
II. Sales and after-sales service (production + delivery + installation)
The main principles are transparency of work progress, controlled quality and local coordination.
- Production and quality control
Production Schedule Notice: Once your order is confirmed, please inform us about the production cycle and key steps.
Production progress notifications: production progress, available process photos.
Factory control: dimensions, appearance, tightness and markings.
- Packaging and logistics
Industrial grade packaging, outer box labeling (model, quantity, dimensions).
- Installation and debugging (engineering part)
Installation Instructions: Technical briefing, orientation/sealing/frame installation specifications.
Changes: To temporarily adjust dimensions/quantities/materials in a project, immediately add additional agreements.
- Issuance of documentation: Certificate of conformity, test report and list.
III. After-sales service (warranty + maintenance + upgrade)
The supplier factory emphasizes lifetime service, affordable spare parts and fast response.
- Warranty and repair
Quality Control: We will resend products with quality problems and provide assistance in solving production problems (remotely).
During24 hours by phone/WeChat/VK
- Replacement Notice: Depending on the product purchased, a replacement notice will be provided.
Lifetime Warning: Recommended replacement cycle depends on operating conditions (primary efficiency 1-3 months, average efficiency 3-6 months, high efficiency 1-3 years).
- Technical support and updates
Consultations throughout the entire service life: optimizing the filtration system, adjusting the air flow, increasing the level of cleanliness.
Modernization plan: replacing old filters, expanding system capacity and upgrading to save energy (reduce resistance/energy consumption).
- Complaints and Emergency Response
Channel for filing complaints, solutions provided within 24 hours.
Emergency Shipments: Urgent orders will be processed expeditiously and shipped within 24-72 hours.
Certificate
