About Qingdao Leifert Machinery Technology Co., Ltd
Qingdao Leifert Machinery Technology Co., Ltd is a professional supplier specializing in industrial valves, valve components, and actuator solutions for global markets.
With extensive experience in the valve industry, we are committed to providing reliable products and comprehensive solutions for customers in Russia, Central Asia, Southeast Asia, Europe, America, and other international markets.
Our product range covers a wide variety of industrial valves, including gate valves, butterfly valves, control valves, globe valves, check valves, ball valves, needle valves, electric actuators, pneumatic actuators, valve accessories and customized valve solutions.
Our products are widely applied in key industries, including oil & gas, petrochemical, chemical, water supply & treatment, power generation, heating systems, mining, and general industrial facilities.
Working with experienced valve manufacturers, we provide customers with stable quality products, competitive solutions, and professional technical support.
Why Choose Us
Customized Valve Solutions
With strong cooperation with reliable manufacturing partners, we provide customized valve solutions based on different pressure ratings, temperature requirements, media conditions, connection types, and operating methods, meeting different market and project requirements.
We believe in helping our customers build their competitive advantages. Feel free to send us your inquiries; we are always ready to collaborate and support your needs.
Wide Range & International Standards
17+ valve & actuator types, DN15–DN2400, PN10–PN160, one-stop sourcing for industrial projects.
Our products are manufactured according to GB, ANSI, API, DIN, BS, JIS, GOST/Russian standards and other applicable standards. Deep experience in GOST standard products for Russia & Central Asia CIS markets.
Over the years, we’ve supported hundreds of customers with valve and actuator sourcing & customization.
We don’t only supply standard valves.
We deliver tailored solutions for valve, trim and actuator configurations to fit your budget and working conditions, helping you stay competitive.
Our reliable valve & actuator solutions help customers achieve successful project outcomes.
Reliable Supply Chain & Global Service
Partnered with audited valve & actuator factories, full pre-shipment inspection. LEIFERT delivers dependable valve solutions worldwide.
24h online support. We supply material test certificates, GOST documents, drawings and after-sales service for Russia & CIS clients.
Process of Quality Control and Inspection
We implement strict quality control from incoming material inspection, in-process checks and final testing to pre-shipment verification, ensuring that each valve and actuator meets design requirements, application standards and customer expectations.
Incoming Material Inspection
Verify material certificates, chemical composition, mechanical properties and key dimensions before production.
In-Process Inspection
Monitor machining, assembly and critical process parameters to ensure stable manufacturing quality.
Final & Pre-Shipment Inspection
Conduct performance, sealing, operation, appearance and marking tests, and provide final inspection documentation.
