years of

About Us

Ningbo Baodi Plastic Valve Co., Ltd. is professional

China Plastic Valves Manufacturers and Pipe Valve fittings Suppliers

, Sino-foreign joint ventures, locates at economic & technological development zone in Beilun, Ningbo, a beautiful coastal city, with elegant surroundings and convenient transportation. There is a modern and standard plant occupying an area of about 20 thousand sq.m., and a construction floor of about 25 thousand sq.m. It's a professional manufacturer specialized in research, design, manufacture and sales.
Learn more

Built-up area

Why Choose Us


We have a strong R&D team,and we can develop and produce Plastic Valve according to the drawings or samples the customers offered.


We are manufacturer, so we can offer the best price and best Valve fittings directly.


We have our own testing lab and the most advanced and complete inspection equipment,which can ensure the quality of the Plastic Valves.


We are located in Ningbo Port area,so it is very convenient and efficient to ship goods to any other countries.

our factory

The company owns the abundant technical force and testing Means, gather the advanced technical advantages and precise manufacture equipments ,assemble a group of the technicians who are capable of researching into;developing and producing the complicateds and machine tools, It Iays asolid guarantee to the equipment quality.


We aim to meet all our customers’ request by best quality and service. Welcome your inquiry and visits!

  • How to install the foot flush valve and what is the principle?

    First, equip the bai water inlet pipe 1 with the du movable joint, loosen the zhi water joint 2 and put the nut on the dao pipe. After adjustment, zhuan will tighten the self-equipped movable joint shu head, and then tighten the water pipe nut, signal tube 5 Adjust and tighten with 3 joints. After t...

  • How to use 45 degree water pipe elbow?

    For example, DN100 pipe. The length du of bai forty-five degrees elbow is equal to the inner longitude of the pipe multiplied by zhi and five times 0.414. 45 degree elbowChina Check Valves Suppliers 45-degree elbows are pipe zhuan pieces and pipe connectors. shu Used at the branch pipe of the main p...

  • Why does the pneumatic foot valve often break?

    1. The solenoid valve is composed of a solenoid coil bai and a magnetic core. It is a valve body containing one or more holes. When the coil is energized or de-energized, the operation of the magnetic core will cause the fluid to pass through the valve body or be cut off to achieve the purpose of ch...

  • What is the allowable deviation of various types of PVC pipe fittings?

    Average outer diameter limit deviation bai difference dm-de Nominal outer diameter de Average outer diameter limit deviation dm-de Nominal outer diameter de Average outer diameter limit deviation dm-de 2.5 3 4 5 6 8 10 12 16 20 +0.3 +0.3 +0.3 +0.3 +0.3 +0.3 +0.3 +0.3 +0.3 +0.3 25 32 40 50 63 75 90 1...

  • What are the causes of damage to the valve sealing surface?

    The valve is in the process of being blocked, and the valve disc is in the process of returning to the seat, which will hit and crush the sealing surface, causing partial wear or indentation of the sealing surface. Erosion of the medium is the cause of wear, erosion, and cavitation on the sealing su...

  • What are the forms of air duct valves?

    Classification of air pipe valves CPVC Pipe  bai air duct valves can be divided into: 1. One-time regulating valve dao: If the zhuan system is unbalanced, it is a regulating valve designed to achieve the required air volume. It is further divided into: flapper valve, butterfly valve, multi-leaf regu...