Fiberglass Tube,Fuse and Cutout Tube,Melamine Fiberglass Tube – Electric ., Ltd of best Vulcanized Fiber Tube

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About us

Ning’an Promising Electric Co., Ltd. was established in 2012 and is located in Fanjia Industrial Zone, Ning’an City, Heilongjiang Province. It is an enterprise specializing in the production of vulcanized fiber tube, fuse tube for fuse link, epoxy filament wound tubing, epoxy fiberglass fabric laminated tube, fuse tube for cutout fuse, melamine fiberglass laminates tubes. The products are mainly used in fiberglass tube, vulcanized fiber tube, melamine tube, fuse tube, FRP tube, drop-out fuses,etc. .

Promising Electric has gathered the best domestic technical and management personnel in the industry, and has the internationally leading technical level. From the arduous pioneering in the initial stage of the establishment of the company, to the continuous accumulation of experience, innovating technology, and expanding the market, the company is in a rapid development stage. The factory covers an area of more than 6000 square meters,with 1,600 square meters of workshops, 700 square meters of office buildings,and 500 square meters of warehouses. There are 30 employees in the company,including 4 engineering and technical personnel; 4 management personnel. Theannual production capacity is 400 tons. The products not only cover domestically, but are also exported to the United States, Europe, and Southeast Asia. And won a good reputation and reputation.

Product advantage

1.Products can be customized according to customer needs.
2.Epoxy Filament Wound Tubing, the thickness can be meet 0.5mm.
3.Excellent mechanical properties, the internal pressure of the product can exceed 100Mpa.
4.Excellent arc extinguishing ability, the fuse tube can be smoothly broken 16kA.
5.The product has passed the test of ABB, littelfuse and other international power companies.

High quality service

1.Focus on the user and provide users with high-quality, all-round, professional,differentiated, personalized and humanized services.
2.Provide users with relevant knowledge to ensure that they master the
characteristics of the product.
3.Customer satisfaction is Promising Electric’s endless pursuit.

Intimate after-sales

1.Quick response time, long-term warm and thoughtful service.
2.Provide users with persistent consulting services, and answer all questions.
3.Online technical service support.E-mail service support is available 365 days a year and 7x24 hours a week.


Cut out fuse

The cut out fuse is installed on the branch line of the 10kV distribution line, which can reduce the power outage range. Our fuse tube for dropout fuse is used to manufacture this product.

Medium voltage fuses

The product can be used in system with AC50Hz and rated voltage of 10KV,used together with other protection facilities(such as loading switches).It can protect electric transformers and other electric facilities against overloading or circuit break.

Lightning arrester

Epoxy wound pipe is used to make this product. Lightning arresters are used to protect the insulation of AC power transmission and transformation equipment from lightning overvoltage and operating overvoltage damage.

40.5KV fuse for wind power protection

This product is a high-voltage full-range current-limiting fuse, suitable for indoor AC 50Hz, rated voltage 40.5kV power system, as the overload and short circuit protection of power transformers and other power equipment.

Fuse Link

The fuse link is characterized by perfect time current characteristics, high mechanical strength, and reliable arc-extinguishing performance, etc. The vulcanized fiber tube has good electrical insulation properties, arc resistance and arc extinguishing properties.

Car fuse

Melamine glass cloth laminated tube has excellent arc extinguishin performance, high temperature resistance.Widely used in automotive fuses, photovoltaic fuses, etc.

Photovoltaic fuse

Melamine glass cloth laminated tube has excellent arc extinguishin performance, high temperature resistance.Widely used in automotive fuses, photovoltaic fuses, etc.

On-load tap changer

The characteristics of the on-load tap changer are small size, light weight, simple structure and convenient maintenance, which reduces the operating cost of the transformer.

News center

Company News

Into Promising Electric-Products

Epoxy glass filament winding pipe Product introduction: The winding tube (large diameter tube) produced by Promising Electric is divided into glass fiber tube and glass

Industry Information

Six characteristics of my country

  During the “14th Five-Year Plan” period, the main contradictions facing my country’s power grid have changed. On the one hand, it comes from the