Construction Machinery Parts Oil Tubing Valves

It is very popular used in Oil tubing Industry, the material can be various based on customer requirement.

It is long life time Using.

1. Products Information:

2. Manufacturing Process:

Process design⇒ Tooling making ⇒ Wax injection ⇒Wax pattern assembly⇒ Mold preheat ⇒ Wax removal ⇒Stuccoing ⇒Dipping Casting⇒ Mold shake out ⇒Work piece cut-off ⇒ Grinding ⇒ Pack& transport ⇒ Final inspection ⇒Machining ⇒ Heat treatment

3. Quality Insurance

Spectrograph Spectrum Analyse Chemical Analyse

Tensile Machine&Hardness Machine Shaping Machine Simple Hardness Test Machine

4.FAQ

a. Are you a factory or trading company?
We are have a factory and a trading department.

b. Where is your factory located?Can we have a visit?
Our factory is located in Fenghua District, Ningbo,China.You can fly to Shanghai Airport and take the train to ningbo, Also can fly to Ningbo Air port directly.All our clients, from home or abroad, are warmly welcome to visit us.

c. How does your factory to regarding quality control?
Quality is priority, we always attach great importance to quality controlling from the very beginning to the very end.We also has gained ISO9001:2008 Authentiation.

5. Welcome the customer from domestic and abroad to do the business together.

Ningbo fenghua hengao machinery co., LTD is located in fenghua district, ningbo city, zhejiang province, close to ningbo international airport.The company adopts advanced precision casting technology, the production of carbon steel, alloy steel, stainless steel, wear-resistant steel and other material castings, is a casting scale professional production base, set casting and CNC machining one.The application of products is very extensive, almost covering the whole machinery manufacturing and mechanical processing industry can, application field, mainly mining, engineering machinery, petroleum, shipping, automobile and other industries.Can meet domestic and international market demand.The products are distributed in more than 20 provinces, cities and regions, and exported to the United States, Italy, Germany, France and other countries.Our company in line with the "quality first, reputation first, timely delivery, reasonable price" factory purpose, with reliable product quality and enthusiastic perfect service and new and old customers all over the country to cooperate, establish eternal friendship, create a beautiful blueprint for development.

At present, there are more than 120 employees, 15 college graduates or above, 5 engineers, with an excellent product research and development team and modern production, testing and testing equipment.Production base area: more than 6000 square meters, three intermediate frequency furnace, annual production capacity of more than 6000 tons.With professional team, strict management and excellent equipment, we strive to build "hengao" brand.Passion unrestrained, highlight extraordinary, innovation, enterprising spirit, inclusive, learn from others, the empty huai na hundred rivers style.

Company staff adhere to the "quality to win customers, rely on integrity to seek development, always pursue customer satisfaction" as the quality policy;"Production qualification rate reaches 90%, factory qualification rate reaches 100%, customer satisfaction reaches over 99" as the quality goal, "sincere life, patience, careful work" as the purpose of the pursuit of win-win, create "hengao" brand!