Hangzhou Tongge Energy Technology Co., Ltd.
Hangzhou Tongge Energy Technology Co., Ltd.
About Us

Hangzhou Tongge Energy Technology Co., Ltd.

Hangzhou Tongge Energy Technology Co., Ltd. is a R&D, production and sales company that integrates energy and chemical industry in China.

TONGGE business consists of two projects: chemical products and energy products and services.

We are specializing in the production of Pigment and Coating, Organic Chemical, Optical Brighteners, etc. Our products sell well in North America, Europe, Asia, Africa, South America, and customers to maintain a good relationship of cooperation! Look forward to working with new and old customers!

about us
Pigment and Coating
Pigment and Coating

HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD is a professional China Pigment and Coating products supplier. The Pigment is a substance that gives color to an object. Pigment and Coating are soluble and insoluble, inorganic and organic. HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD Pigment and Coating products is widely used in paint, ink, ointment, makeup oil, color paper, plastic, rubber, synthetic fiber, paper, paint, fabric, ceramics, glass,wall, and other industries.


The  HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD Pigment and Coating products type: Inorganic Pigment and Coating can be subdivided into oxides, chromate, sulfate, silicate, borate, molybdate, phosphate, vanadate, ferricyanate, hydroxide, sulfide, metal, etc. Organic Pigment and Coating can be divided into azo Pigment and Coating, phthalocyanine Pigment and Coating, anthraquinone, indigo, quinacridone, dioxazine and other polycyclic Pigment and Coating, aromatic methane Pigment and Coating according to the chemical structure of the compound.


High-quality Pigment and Coating bright color, uniform texture, not easy to change color easy to preserve, good stability, covering power and coloring is very good, pigment products with high durability, rich color. The HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD Pigment and Coating products are sold to many countries in America, Africa, Asia and Europe. To choose us is to choose health, safety and quality.

Water Treatment
Water Treatment

HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD is a professional China  Water Treatment Agent Manufacturer and China  Water Treatment Agent supplier. The Water Treatment Agent refers to the fine chemical products added in the water treatment process in order to remove most of the harmful substances in the water (such as corrosion, metal ions, dirt and microorganisms, etc.) and obtain the civil or industrial water that meets the requirements. , has a strong specificity. Different purposes and treatment objects require different water treatment agents. HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD  Water Treatment Agent  Widely used in petroleum, chemical industry, metallurgy, transportation, light industry, textile and other industrial sectors.


The  HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD  Water Treatment Agent  include corrosion inhibitors, scale inhibitors, fungicides, flocculants, purification agents, cleaning agents, pre-film agents, etc., mainly used to remove suspended solids and toxic substances in water, control the formation of scale and sludge, reduce the corrosion of water-contact materials, deodorization and sterilization, decolorization, softening, and stabilize water quality and seawater etc.



High-quality Water Treatment Agent used in Industrial water, domestic water, waste water disposal. The HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD  Water Treatment Agent  are sold to many countries in America, Africa, Asia and Europe. To choose us is to choose health, safety and quality.


Optical Brighteners
Optical Brighteners
HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD is a professional China  Optical Brighteners Manufacturer and China Optical Brighteners supplier. The Optical Brighteners is a fluorescent dye, or white dye, which is also a general term for a class of compounds. Its characteristic is that it can stimulate the incident light to produce fluorescence, so that the dyed material obtains a sparkling effect similar to fluorite, so that the material seen by the naked eye is very white. HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD  Optical Brighteners. The principle of fluorescent whitening agent is to absorb the invisible ultraviolet light in the light, and emit visible blue light, and the yellow light emitted by the fabric is superimposed, complementary to form white light, so that the white light emitted by the fabric increases, and the naked eye can feel the white fabric becomes significantly whiter, brighter, more vivid.

The HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD Optical Brighteners Used in paper, plastics, leather, detergents, while in many high-tech fields are also used fluorescent whitening agents, such as: fluorescence detection, dye lasers, anti-counterfeiting printing, etc., and even high-sensitivity film for aerial photography to improve the sensitivity of sensitive latex, fluorescent whitening agents will also be used.

High-quality Optical Brighteners is a kind of color conditioner, which has the function of brightening and brightening. It is widely used in many fields such as papermaking, textile and detergent. The HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD  Optical Brighteners  are sold to many countries in America, Africa, Asia and Europe. To choose us is to choose health, safety and quality.
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Phosphorus Series
Phosphorus Series
HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD is a professional China   Phosphorus Series products supplier.  Phosphorus Series products  have sodium dihydrogen phosphate(MSP );sodium hydrogen phosphate(DSP  );Sodium Tripolyphosphate  (STPP);trisodium phosphate(TSP );Sodium pyrophosphate(SAPP );Sodium hexametaphosphate(SHMP);Ammonium dihydrogen phosphate (MAP );Ammonium phosphate(DAP );Ammonium polyphosphate(APP);Sodium Hypophosphite(SHPP); Potassium Phosphate Monobasic(MKP ); Potassium hydrogen phosphate(DKP ); Potassium Phosphate Tribasic(TKP );Phosphoric acid(PA) etc. HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD   Phosphorus Series  products It plays an important role in chemical industry, building materials, food processing and other fields, but also has a wide range of applications in agriculture, medicine and energy, and is an important industry in the national economy.

The  HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD Phosphorus Series products have a wide range of applications in the industrial field, mainly including the following aspects:Building Materials;Food processing;In the agricultural sector;Medical field;Energy sector.

High-quality  Phosphorus Series products It not only plays an important role in chemical industry, building materials, food processing and other fields, but also has a wide range of applications in agriculture, medicine and energy fields, and is an important industry in the national economy. The HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD   Phosphorus Series products are sold to many countries in America, Africa, Asia and Europe. To choose us is to choose health, safety and quality.

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