Sinolong Industrial

High performance polyamide materials

We focus on the field of high-performance polyamide materials, including BOPA polyamide resin, coextruded polyamide resin, engineering plastic polyamide resin, high-speed spinning polyamide resin, civil spinning polyamide resin, industrial fiber polyamide resin, copolymerized polyamide resin, high-temperature polyamide PPA resin and more research directions in more subdivided fields.

Differential film grade polyamide resin

Cooperate with industry leading manufacturers of high-performance BOPA film and co extruded film materials,

and jointly carry out research and development of differential film grade polyamide.


联合进行差异化膜级聚酰胺的研发攻关。

New engineering plastics polyamide resin

Cooperate with domestic well-known plastic modification manufacturers to carry out research on new engineering plastics such as high barrier, halogen-free flame retardant, nanocomposite, nylon elastomer, etc.

Special polyamide resin

Carry out research and development of special polyamides such as co-polyamide, transparent polyamide, high-temperature resistant polyamide, and long carbon chain polyamide.

Scientific research force

Sinolong Industrial is committed to building a globally open, industry-leading and efficient R&D system, fully integrating the industry's first-class resources inside and outside the enterprise, and providing inexhaustible power for the enterprise's sustainable innovation and development.

Our partners
Xiamen University
Beijing University of Chemical Technology
Fuzhou University
Quangang Petrochemical Research Institute of Fujian Normal University

Latest achievements

We have launched a new high-speed spinning polyamide resin, which is applicable to many industries 

Applicable to spinning industry:


It has the advantages of high fluidity, high dyeability and stable batch production, meeting the requirements of microfiber, FDY, HOY and other fields in the spinning industry.

Applicable to engineering plastics industry


It has the characteristics of high fluidity, strong impact resistance and good wear resistance, and has good market performance in the field of engineering plastics modification and direct injection molding.