
Haoqintech (Wenzhou Haoqin Technology Co., Ltd.) is a manufacturer and supplier of sanitary stainless steel fluid equipment and process components for hygienic fluid handling, filtration, tank cleaning, and fermentation systems.
We supply sanitary filters, Tri-Clamp fittings, valves, tank breathers, CIP components, and fermentation equipment for food, beverage, dairy, pharmaceutical, and other hygienic processing applications.

Sanitary filter housings and filtration components for process fluids, air, and other high-purity applications.
Sanitary valves for hygienic fluid handling, process control, fermentation, and liquid transfer applications.


Sanitary spray balls, rotary spray heads, and other CIP tank-cleaning equipment designed for efficient and reliable cleaning.
304 and 316L stainless steel sanitary fittings and connections for hygienic process piping.


Sanitary breathers, sterile-air filtration components, and tank protection equipment for process and fermentation systems.

Our products are backed by practical experience in liquid culture, fermentation, and hygienic processing systems.
We manufacture key sanitary components directly, giving us greater control over quality, specifications, and consistency.
Material certificates and product documentation are available according to project requirements.
Send us your drawings, specifications, photos, or application requirements. Our team will review them and recommend the appropriate solution.
We support custom dimensions, configurations, and OEM/ODM requirements for qualified projects.
We work with customers internationally and can arrange export packaging and shipping according to project requirements.
Sanitary filters, fittings, valves, breathers, and tank-cleaning equipment for hygienic processing and fluid transfer.
Sanitary components for fermentation, storage, transfer, and CIP systems.
High-purity stainless steel components designed for applications where cleanliness, material selection, and reliable process connections are critical.
Complete liquid culture system support and sanitary components based on our team’s practical experience with mushroom liquid-spawn projects.
Sanitary components for fermenters, bioreactors, sterile-air systems, and liquid culture processes.
Stainless steel filters, fittings, valves, and related components for demanding fluid-handling applications.

Our experience began with complete liquid culture and fermentation projects. Today, we use that experience to design and supply the sanitary components used in these systems.
From sterile-air filtration and SIP to temperature control, sanitary transfer, and CIP cleaning, we understand how individual components need to work together as part of a complete process.

Hygienic filters, breathers and Tri-Clamp fittings for food and beverage processing lines.

Sanitary tank breathers and process fittings designed for fermentation and transfer systems.

Stainless steel filter housings and connections for pure water and process water systems.

Durable sanitary components for general industrial fluid handling.

Corrosion-resistant fittings and filters for chemical process applications.

Sterile air breathers and sanitary connections for fermenters and bioreactors.
Tell us what you need. You can send a product specification, drawing, photo, required dimensions, or simply describe your application.
Our team will review your requirements and provide a suitable recommendation and quotation.