Product Categories
PE
It is a kind of thermoplastic resin made of ethylene by polymerization.Industrially, it also includes copolymers of ethylene with small amounts of -olefin.Longchang petrochemical polyethylene...
ABS
Building and improving our company and communities by promoting volunteerism, safety and inclusion.
PP
Building and improving our company and communities by promoting volunteerism, safety and inclusion.
SBS
Building and improving our company and communities by promoting volunteerism, safety and inclusion.
Industries We Serve
Explore Our Service
One-on-one counseling service
One-on-one counseling service
Professionals analyze customer needs and provide raw materials.
Full range of materials
Full range of materials
According to different requirements of customers, we will provide corresponding domestic materials.
Integrity first, genuine raw materials
Integrity first, genuine raw materials
The materials are authentic and will not be mixed with any recycled materials or waste materials.
The samples by mail
The samples by mail
Iv. We can provide sample sample service for customers with weak pertinence.
Fast resource integration
Fast resource integration
There are 22 branches in China, and there are more than 280 warehouses for convenient resource allocation.
Short delivery cycle
Short delivery cycle
We have our own logistics warehouse, which can deliver goods directly to the port within a short period of time, and provide efficient warehousing and logistics services.
24 Hours Online Service
We focus on the development and research in the field of plastics, committed to becoming the largest comprehensive supply chain service provider in the field of petrochemical circulation in China.
WHO WE ARE
Gansu province longchang petrochemical group co., LTD., founded in 1996, is located in the provincial capital lanzhou city, gansu province, is a company dedicated to plastic flow field, the collection of raw materials...
Discover Long Chang Petro Chemical
WHO WE ARE
We Produce the Chemicals That Become Everyday Products — and So Much More.
Case
Case
High density polyethylene 6097 used for masks Nose strips

High density polyethylene 6097 used for masks Nose strips

COVID-19 mutant Delta virus swept the world in 2021. With the continuous evolution of the epidemic, the demand for masks is also increasing.

High density polyethylene 6097 used for masks Nose strips

COVID-19 mutant Delta virus swept the world in 2021. With the continuous evolution of the epidemic, the demand for masks is also increasing.
Manufacturer of masks in Brazil choose our polypropylen S2040

Manufacturer of masks in Brazil choose our polypropylen S2040

With COVID-19 sweeping the world in 2020, the global demand for masks increased significantly, and the major hygiene product manufacturers in Brazil need to produce large quantities of masks to meet the protection needs of the country's population.

Manufacturer of masks in Brazil choose our polypropylen S2040

With COVID-19 sweeping the world in 2020, the global demand for masks increased significantly, and the major hygiene product manufacturers in Brazil need to produce large quantities of masks to meet the protection needs of the country's population.
PPR water pipe production factory in Turkey

PPR water pipe production factory in Turkey

The customer's procurement requirement is to produce hot water pipes (PPR) with a melt index of about 0.25.

PPR water pipe production factory in Turkey

The customer's procurement requirement is to produce hot water pipes (PPR) with a melt index of about 0.25.
Brazil XXX woven bags company

Brazil XXX woven bags company

This model belongs to polypropylene material, widely used in the production of woven bags, fibers, monofilaments, sacks, etc.

Brazil XXX woven bags company

This model belongs to polypropylene material, widely used in the production of woven bags, fibers, monofilaments, sacks, etc.
Medical industry

Medical industry

Gansu province longchang petrochemical group co., LTD., founded in 1996, is located in the provincial capital lanzhou city, gansu province, is a company dedicated to plastic flow field, the collection of raw materials...

Medical industry

Gansu province longchang petrochemical group co., LTD., founded in 1996, is located in the provincial capital lanzhou city, gansu province, is a company dedicated to plastic flow field, the collection of raw materials...
Medical industry

Medical industry

Gansu province longchang petrochemical group co., LTD., founded in 1996, is located in the provincial capital lanzhou city, gansu province, is a company dedicated to plastic flow field, the collection of raw materials...

Medical industry

Gansu province longchang petrochemical group co., LTD., founded in 1996, is located in the provincial capital lanzhou city, gansu province, is a company dedicated to plastic flow field, the collection of raw materials...
Clients Say About Us
Long Chang offers a comprehensive service package that is specially adapted to the requirements of Medical treatment market. They also subject plastic granules to a range of tests conducted by external independent institutes so that we can more easily obtain the necessary approvals for medical or pharmaceutical applications. This saves us a lot of time, Sincere thanks.
Long Chang to deliver material solutions for appliances which offer reduced cycle times, improved processability, energy and material savings, and an improved carbon footprint. Do yourself a favour and work with Long Chang. You will be so glad you did.
Best price/performance I've found! I've tried about 4 brands of moldable thermoplastic over the years and this is my favourite so far. Some comparably-priced brands are quite sticky while melted but this one is not. Will buy again!