RV Pneumatic Diaphragm Pump
Jianglang Technology Co., Ltd. (hereinafter referred to as "RV") is a leading manufacturer based in Shanghai, China. It operates a factory covering over 10,000 square meters, specializing in the production of pneumatic diaphragm pumps, electric diaphragm pumps, and piston pumps. With more than 30 years of industry experience, RV has built a professional independent R&D team and a state-of-the-art 3D printing center. The factory is equipped with 6 production lines to cater to global export demands, with an annual output of over 30,000 pump and valve units. RV employs more than 150 employees at home and abroad and owns over 180 authorized patents. Furthermore, the company has obtained multiple authoritative certificates including ISO 9001, ATEX explosion-proof, FDA food contact grade and CE certificates, fully demonstrating its strict compliance with quality management and international safety standards.
Our Factory
Our Factory is equipped with state-of-the-art manufacturing facilities and advanced production lines, committed to delivering high-quality products that meet international standards.

CNC Machining Workshop
Independent precision machining of air diaphragm pump housings

Full-process CNC Machining Workshop
Large precision machining workshop equipped with CNC lathes and vertical machining centers

Precision Machining Workshop
Automated equipment for air diaphragm pump housings, valve bodies, air distribution assemblies & other parts.

Automated Factory Workshop
Self-manufactured Pump Components with Consistent Accuracy
Our Satisfied Customers
Our satisfied customers trust us for quality products and reliable service worldwide.
Frequently Asked Questions
Find answers to common questions about our products, services, and support.
Are you a factory or a trading company?
Factory! We are a professional air operated diaphragm pump and electric diaphragm pump products manufacturer, with ISO9001, ISO14001 certification, and all materials are RoHS,Compliance. And we have more than 100+ patterns certificate as well.
How do I choose the right AODD pump for my liquid?
Please provide the liquid name, viscosity, temperature, solid content, flow rate, pressure and working environment. We will recommend suitable pump body material, diaphragm material, valve ball and connection type according to your application.
What is the advantage of your pump compared with regular models?
Our optimized AODD pump offers up to 25 percent higher flow capacity than regular models and the anti icing performance can be up to 6 times longer. It helps improve working stability, especially in demanding or continuous operation conditions.
What about the package?
Cartons and wooden cases with foam inside.
Do you have food grade diaphragm pump options?
Yes. We provide food grade pump solutions with FDA food contact material options. They can be used for food, beverage, cosmetics and sanitary liquid transfer applications, depending on the selected material and working condition.
What are the terms of payment?
D/P, T/T, Western Union, please confirm the exact order with us.
Can your pump handle corrosive or viscous liquids?
Yes. We offer aluminum, stainless steel, polypropylene and other pump body options, with PTFE, Santoprene and food grade diaphragm materials. Our pumps can be used for chemicals, acids, alkalis, solvents, coatings, slurry and viscous liquid transfer.
Is the pump easy to maintain?
Yes. Our pump adopts an integrated air motor design, which makes inspection, repair and spare parts replacement more convenient. This structure helps reduce downtime and maintenance cost for distributors and end users.
Can you customize pumps for different countries or projects?
Yes. We support OEM ODM service, private label, customized connection standards, material selection, diaphragm options and pump system matching. We can produce according to different country standards and specific project requirements.
Why choose RV as a diaphragm pump supplier?
Jianglang is a 30 year factory with global offices, ISO9001 quality control, CE and FDA related certifications. We provide standard pumps, customized production and complete fluid transfer solutions for global buyers.
What is the minimum order quantity of the AODD Air Operated Double Diaphragm Pump?
Common product 1pc. Samples are available and the cost of samples can be deducted from future orders.
When is the delivery time?
Need an exact delivery date? Send us the model, quantity, and destination. Our sales team will quickly confirm the earliest available delivery time for you.








