Oilfield Chain (16S-1)

API Approved Oil Field Chain

Why Choose Donghua Oil field Chain ?

1. Hangzhou Donghua Chain Group Co., Ltd established in 1991, we have 5 subsidiaries in china and have 6 subsidiaries abroad;
2. we covering a production area of 200,100 square meters, have more than 1,800 sets of advanced equipment and over 3,100 highly skilled employees, the annual production capacity has exceeded 20,000,000meters;
3. we specialized in producing all kinds of standard chains and special chains, such as A or B series chains, oil field chain, roller chains, driving chains, conveyor chains, dragging chains, agricultural chains,  sprockets, gears, wheels, pt products and so on;
4. we have obtained ISO9001, ISO14001, ISO16969, AAA and API certificates.

5. Our  partners among world top enterprises, such as JOHNDEERE, NEW HOLLAND, CLAAS, HONDA, KUBOTA, YANMAR, etc.

 

1.Technical parameters

 

1)simplex: 80-1,100-1,120-1,140-1,160-1,200-1

 

2)duplex: 80-2,100-2,120-2,140-2,160-2,200-2

2. Picture


3. Certificate

4.  Company Information

 

Hangzhou Donghua Chain Group Co., Ltd was founded in 1 9 9 1, and now it has five wholly owned subsidiaries, one in Jiangsu province, other four in Hangzhou, Zhejiang province, it is a professional manufacturer of chains, sprockets, tooth gears and various power transmission products.

 

The group has DONGHUA, ZIQIANG brands, is focused on producing all variety of standard roller chains and special chains, such as conveyor chain, stainless steel chain, agricultural chain. With Donghua brand registered in more than 70 countries like America, Europe, Japan, it is building long term cooperation with these world top enterprises, such as JOHNDEERE, NEW HOLLAND, CLAAS, HONDA, KUBOTA, YANMAR. 

 

There is a technical center of province level, Donghua academician working station, experiment station for Donghua post doctors, and national hundreds of program set up in Donghua group. With these platforms and strong technical ability, the more than hundreds of Engineers and technicians have developed all variety of special high precise and high strength products, conducted mold programs for key components in the car and national industry revitalizing program. 

 

Great attention has been paid on environmental protection and energy saving. The product well displays environmental protection and energy saving. In the year of 2 0 0 0, Donghua took the lead in gaining I S O 1 4 0 0 1 environment management certificate and thereafter passed the inspection of clean production and recycling economy, winning the title of "Zhejiang Green Enterprise".

 

"We are always serving our customers with our best products." 

API Approved Oil Field Chain

Why Choose Donghua Oil field Chain ?

1. Hangzhou Donghua Chain Group Co., Ltd established in 1991, we have 5 subsidiaries in china and have 6 subsidiaries abroad;
2. we covering a production area of 200,100 square meters, have more than 1,800 sets of advanced equipment and over 3,100 highly skilled employees, the annual production capacity has exceeded 20,000,000meters;
3. we specialized in producing all kinds of standard chains and special chains, such as A or B series chains, oil field chain, roller chains, driving chains, conveyor chains, dragging chains, agricultural chains,  sprockets, gears, wheels, pt products and so on;
4. we have obtained ISO9001, ISO14001, ISO16969, AAA and API certificates.

5. Our  partners among world top enterprises, such as JOHNDEERE, NEW HOLLAND, CLAAS, HONDA, KUBOTA, YANMAR, etc.

 

1.Technical parameters

 

1)simplex: 80-1,100-1,120-1,140-1,160-1,200-1

 

2)duplex: 80-2,100-2,120-2,140-2,160-2,200-2

2. Picture


3. Certificate

4.  Company Information

 

Hangzhou Donghua Chain Group Co., Ltd was founded in 1 9 9 1, and now it has five wholly owned subsidiaries, one in Jiangsu province, other four in Hangzhou, Zhejiang province, it is a professional manufacturer of chains, sprockets, tooth gears and various power transmission products.

 

The group has DONGHUA, ZIQIANG brands, is focused on producing all variety of standard roller chains and special chains, such as conveyor chain, stainless steel chain, agricultural chain. With Donghua brand registered in more than 70 countries like America, Europe, Japan, it is building long term cooperation with these world top enterprises, such as JOHNDEERE, NEW HOLLAND, CLAAS, HONDA, KUBOTA, YANMAR. 

 

There is a technical center of province level, Donghua academician working station, experiment station for Donghua post doctors, and national hundreds of program set up in Donghua group. With these platforms and strong technical ability, the more than hundreds of Engineers and technicians have developed all variety of special high precise and high strength products, conducted mold programs for key components in the car and national industry revitalizing program. 

 

Great attention has been paid on environmental protection and energy saving. The product well displays environmental protection and energy saving. In the year of 2 0 0 0, Donghua took the lead in gaining I S O 1 4 0 0 1 environment management certificate and thereafter passed the inspection of clean production and recycling economy, winning the title of "Zhejiang Green Enterprise".

 

"We are always serving our customers with our best products." 

Steel Structures can be used in many industries such as foundation reinforce, electric power transmission structures and tubular scaffolding, etc.

A flange can also be a plate or ring to form a rim at the end of a pipe when fastened to the pipe. A blind flange is a plate for covering or closing the end of a pipe. A flange joint is a connection of pipes, where the connecting pieces have flanges by which the parts are bolted together.

Although the word flange generally refers to the actual raised rim or lip of a fitting, many flanged plumbing fittings are themselves known as 'flanges':

There are many different flange standards to be found worldwide. To allow easy functionality and interchangeability, these are designed to have standardised dimensions. Common world standards include ASA/ASME (USA), PN/DIN (European), BS10 (British/Australian), and JIS/KS (Japanese/Korean). In the USA, ANSI stopped publishing B16.5 in 1996, and the standard is ASME B16.5

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