Minasen Automation Technology Co., Ltd
Minasen Industrial Automation Co., Ltd. is a professional manufacturer and solution provider for industrial valves, integrating R&D, design, production, and testing. Established in 2017, the company operates two sales subsidiaries and works with numerous distributors; its headquarters is strategically located in the manufacturing hub of Wenzhou, Zhejiang Province, offering excellent logistical connectivity. With over a decade of deep experience in the valve industry, Minasen specializes in providing high-quality fluid control products for key sectors such as water treatment, oil and gas, chemicals, marine and offshore engineering, and HVAC. The company operates a modern 5,000-square-meter facility with a workforce of over 100 employees and an annual production capacity exceeding 70,000 valves (including manual, electric/pneumatic, and control valve series). We hold ISO 9001 quality management system certification, and our product design and manufacturing strictly adhere to international standards such as API, CE, and WRAS. Whether supplying standard gate, globe, ball, and butterfly valves or advanced automated valve assemblies (electric/pneumatic), we deliver reliable, cost-effective products to our customers. Minasen's growth trajectory-spanning its startup phase through continuous expansion, technological upgrades, and brand elevation-has established it as a standout enterprise in China's valve industry, far surpassing many of its peers.
Our Factory
Minasen Industrial Automation Co., Ltd. is a comprehensive fluid valve company integrating R&D, design, production, and supporting services. Located in Huizhou City, Guangdong Province-a key industrial hub in China-the company enjoys a prime location, a pleasant environment, and convenient transportation. Minasen's product portfolio includes gate valves, ball valves, butterfly valves, globe valves, check valves, control valves, diaphragm valves, safety valves, pressure reducing valves, steam traps, strainers, breather valves, needle valves, knife gate valves, and various electric, pneumatic, and hydraulic valve configurations (including high-pressure, power plant, and industrial valves). Materials include WCB, CF8, CF8M, CF3M, 304, 304L, 316, 316L, and 2205 duplex stainless steel. Actuator options-such as worm gear, pneumatic, electric, hydraulic, gas-hydraulic, and electro-hydraulic-are available to facilitate automated control.
Our products are widely used in sectors including petrochemicals, natural gas, metallurgy, power generation, pharmaceuticals, construction, wastewater treatment, and environmental protection. They are exported to the Middle East, Southeast Asia, Europe, the Americas, and beyond, earning high praise and trust from customers. We have established a multi-level, integrated, and scientific quality control system to ensure our products meet international standards such as ISO9001 (as well as GB, API, DIN, and JIS specifications). Our quality is highly recognized in international markets, including major industrial nations like the US, Japan, and countries across Europe. Minasen valves are trusted for their reliability. We guarantee quality through superior technology and management, adhering to the business philosophy of "endless pursuit of excellence" and "customer-centric service." Guided by the principles of "high quality, competitive pricing, and mutual benefit," we warmly welcome new and existing domestic and international clients to visit us. We look forward to collaborating with you to create a brilliant future.
Our Product
Gate valves, ball valves, butterfly valves, globe valves, check valves, control valves, diaphragm valves, safety valves, pressure-reducing valves, steam traps, strainers, breather valves, knife gate valves, electric valves, pneumatic valves, regulating valves, high-temperature valves, high-pressure valves, power plant valves, and other valve series.
Product Application
Petrochemical industries; waterworks and sewage treatment plants; municipal water supply and drainage networks; fire protection systems; pipelines for the transport and processing of oil and gas under conditions of high corrosion, high pressure, and high temperature; boiler feedwater, steam, and cooling water systems in thermal and nuclear power plants; and hot/chilled water circulation and air conditioning systems in commercial and residential buildings.
Production Equipment
- CNC lathes, conventional lathes
- Vertical/horizontal machining centers (for valve body multi-hole and flange machining)
- Boring machines (for valve body bore machining)
- Milling machines, drilling machines, tapping machines
- Grinding machines (for high-precision grinding of valve stems and sealing surfaces)
- CNC facing lathes (specialized for flange sealing surfaces)
- Large-scale shot blasting lines
- Paint booths, electrostatic powder coating equipment
- Pickling and passivation tanks (for stainless steel corrosion protection)
- Overhead cranes, forklifts, hoisting equipment
United States 20%, Middle East 25%, Brazil 10%, Russia 10%, Thailand 5%, Europe 5%, Asia 20%, Malaysia 5%
Our service
Part 1: Pre-sales Service - Expert Selection and Precision Solution Matching
Pre-sales: Rather than simply providing a product catalog, our technical team conducts an in-depth analysis of your specific operating conditions to identify the most cost-effective solution.
You need only provide key parameters such as the medium type, temperature, pressure, and pipe size. Based on actual operating conditions, our engineers will precisely recommend the appropriate valve body material (e.g., WCB, SS304/SS316), pressure rating, sealing type (soft or hard seal), and actuation method (manual, pneumatic, or electric), ensuring long-term, stable valve performance even in demanding environments.
Customized Solution Design: We offer one-on-one technical support for non-standard requirements or complex engineering projects. Whether the project involves special flange standards (such as ANSI, DIN, or JIS), unconventional pressure ratings, or the integration of automation accessories like limit switches and positioners, we will create technical drawings and develop customized solutions until you are fully satisfied.
Rapid Response to Inquiries and Documentation: We guarantee a response to standard inquiries within 4 hours and a comprehensive quotation for detailed requests within 24 hours. Additionally, we promptly provide preliminary technical documentation, such as product data sheets and pressure test reports.
Part 2: In-Process Service - Transparent Procedures for Your Peace of Mind
We emphasize complete transparency and visibility throughout the production process, keeping you fully informed of your order status and eliminating the frustration of "losing contact" after placing an order.
Real-Time Order Tracking: We provide updates at every critical stage-from raw material intake to casting, machining, assembly, and pressure testing. This allows you to witness the creation of quality firsthand, even from thousands of miles away.
Rigorous Pre-Shipment Quality Inspection: Every valve undergoes 100% pressure testing (including shell strength and seat tightness tests) in strict accordance with GB/ANSI standards prior to shipment, accompanied by authentic inspection reports. For automated valves, we perform integrated assembly and functional testing of the actuator and valve body, ensuring the unit is ready for immediate use upon delivery.
Hassle-Free Logistics and Documentation: We partner with reputable freight forwarders and are well-versed in trade terms such as FOB, CIF, and DDP. Our team prepares a complete set of customs clearance documents-including bills of lading, invoices, packing lists, and certificates of origin-in advance to prevent delays caused by documentation errors.
Part 3: After-Sales Service - Lifetime Technical Support for Peace of Mind
Our service does not end with the transaction. We value every partnership and regard after-sales service as the lifeline of our corporate reputation.
Rapid Response Mechanism: We pledge to respond to any after-sales inquiry within one hour during business hours and provide a preliminary solution within 24 hours. Whether you require installation guidance, have operational questions, or encounter a malfunction, our engineers will promptly assist with remote troubleshooting.
Maintenance and Technical Support: We provide detailed video tutorials and illustrated maintenance manuals covering everything from seal replacement and actuator torque resetting to valve internal component repairs. For large-scale projects, we can arrange for on-site engineering support to assist with installation and commissioning.
Spare Parts Supply and Long-Term Support: We maintain an inventory of commonly used spare parts-such as seals, packing, and valve stems-to ensure rapid supply. We maintain lifetime customer records, allowing for easy retrieval of order history and providing accurate data support for future reorders or part replacements.
Quality Warranty Commitment: We offer an 18-month quality warranty on our products (calculated from the date of shipment). During the warranty period, we will provide free repairs or replacements for issues resulting from material defects or manufacturing flaws.
No matter the stage of our partnership, our dedicated sales managers and technical support teams are always at your service. We offer more than just valve products; we aim to be your trusted, long-term engineering partner.
Please feel free to contact us anytime to begin a worry-free and reliable partnership experience.