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About Us

Chongqing Hesheng Longgang Technology Co., Ltd./Jianfeng Chemical Co., Ltd. is a leading supplier of high-quality chemical and petroleum products in China.
Jianfeng Chemical Co., Ltd. is an overseas company of Hesheng Longgang Co., Ltd. Mainly selling aviation fuel JET A1, diesel EN590, urea N46.

The limited company mainly sells aviation fuel; Jet fuel A1; Diesel EN590 10PPM; Urea N46; We can provide high-quality products to global customers.
The limited company sells agricultural urea and automotive urea produced by Chongqing Jianfeng Chemical Group.
We are mainly engaged in the production of various photoinitiators. As the main production base of phosgene derivatives in China, we have the largest phosgene production capacity in China and provide a variety of products.
The factory has advanced production equipment to produce phosgene and its derivatives, such as benzophenone, tetramethylurea, salicylonitrile, 1173, tmbi, etc. In addition, Hesheng Longgang can also customize phosgene derivative products according to customer needs.
Meanwhile, our company is a high-tech enterprise that integrates research and development, production, and sales.
The company is committed to the research and development, production, sales, and technical services of basalt fibers and their series products. It is a large-scale basalt fiber production base: providing you with basalt fiber roving, basalt fiber reinforcement, basalt short fibers, and basalt fiber textiles; Basalt fiber production line, basalt fiber reinforcement production line.
Chongqing Hesheng Longgang Technology Co., Ltd./Jianfeng Chemical Co., Ltd. is a leading supplier of high-quality chemical and petroleum products in China.
Green, environmentally friendly, high-quality, and innovative development; This is the development direction of our company!

 

The strengths of Hesheng Longgang Composites

 

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Quality

 

Customer tailored products responding to technical requirements and existing regulations

Rigourous and systematic controls on all products to ensure continuous quality

ISO 9001/2015 certification

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Reactivity

 

Short delivery time due to high production and storage capacities

An organization dedicated to react quickly to customer demands and needs

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Innovation

 

Substantial and regular investments in R&D to continuously improve our products and our manufacturing processes 3 fully equipped R&D laboratories in Chengdu, Shanghai and Deyang A R&D team of 20 experience and dedicated technicians

Constant monitoring of the composite market to answer all customer requirements

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International presence

 

Extensive field presence due to a dedicated team of 14 technical salesmen

Privileged relationship with our customers

Technical and commercial expertise tailored on our customer demands

Solutions and support throughout our customers projects

 

R&D System

R&D System

As the enterprise technology center approved by Chongqing city, HSLG's R&D center consist of professional team specialized in R&D and application of high polymer material, composite material, anti-corrosion protection technology and engineering consulting. It has become the first-class composite base resin R&D center in China with the ability of market research, product design, technology development, scale-up, testing & analysis, processing engineering and Intellectual Property Management.

Learn Honor & Achievements

17 experienced consultants, 21 senior engineers, 20 semi-senior engineers, 8 junior engineers

 

Quality System

HSLG is always focusing on quality improvement; the company established its ISO 9000 quality system in year 2016 with the aim to continuously improve the quality assurance ability, lower the cost risk of purchasing/sales, overall management level, product quality, quality reputation, strengthen the market competiveness and eliminating the trading barriers.

 

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Certificate

 

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FAQ:

Q1: Are you a factory? where are you?

A: We are a professional manufacturer with more than 20 years of composite production experience. Our own factory is located in Sichuan Province.

Q2: what is the minimum order quantity?

A: Usually 1 ton, depending on what you need.

Q3: Packaging and transportation.

A:Normal packing: carton packing, we accept OEM packing.

Q4: When can I quote?

A: We usually quote within 24 hours after receiving your inquiry. If you are in urgent need of price, please call us or email us so that we can reply to you first.

Q5: How do you charge for samples?

A: If you need samples from our stock, we can provide them to you free of charge, but the express cost shall be borne by you. You, it will be returned when you place an order.

Q6: What is the delivery time of your production?

A: If we have stock, we can deliver within 1-7 days; If there is no stock, it will take 5-30 days, depending on the quantity.

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