Supply Chain Mission

A world leading ecological system for supply chain will be shaped by the company through the modern supply chain management theory and technical means on basis of the company development strategies. This system is able to guarantee the production operatio
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Supply Chain Vision

To develop the most competitive supply chain for solar industry to create values for customers with the best costs and services.
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Supply Chain Ecology

LONGi is willing to collaborate with friends from all walks of life to penetrate deeper into the solar industry for coordinated innovations and the development of green industrial ecological chain. Eventually, we will steer this industry to a one with bri
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Procurement Principles
In the process of cooperation with suppliers, LONGi has always upheld the concept of "honest cooperation", and committed to creating a "fair and just" cooperation ecological environment.
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Code of Conducts
In the process of cooperation with suppliers, LONGi has always upheld the concept of "honest cooperation", and committed to creating a "fair and just" cooperation ecological environment.
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Waste Material
LONGi Group sells various waste materials (covering waste cardboard, waste plastic, waste diamond wire, silver paste cloth, waste quartz and waste graphite etc.) in long terms through tendering, welcome qualified business partners engaging in the biddings
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Idle Assets
LONGi Group sells various production equipment (different main and auxiliary equipment from wafer, cell and module processes, utility equipment, instruments, gauges, logistics and transportation equipment etc.) in long terms through tendering, welcome qua
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LONGi Supplier Introduction Rrocess
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1
Information registration
Click "Supplier Registration/Login" interface to register according to the Operation Guidance for Supplier Registrations.
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2
Registration review
After registration approval, fill in the qualification questionnaire according to the Operation Guidance for Supplier Registrations.
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3
Qualification review
The buyers shall conduct qualification reviews according to supplier development requirements.
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4
Supplier certification
After the qualification review, the buyer will submit the development application. Once the application is approved, enter qualification certification phase for the supplier.
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5
Qualified supplier
Suppliers will be qualified once the qualification certification is approved.
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Bidding Announcement
2021-11-25
RFQ for Cooling Tower Treatment, etc (Ingot 2, Wafer, Cell Plant)
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2021-11-25
RFQ for Magnetic Door and Card Access Control System (Ingot 2, Shaping Plant)
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Supplier News
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LONGi Supplier Convention 2021: Win-win Collaboration, Coordinated Innovation

LONGi Supplier Convention 2021 was held on January 8 in Xi’an.

2021.1.13
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Supply Chain Center Officially Launches its N-SRM System

The next-generation supply chain management platform, known as N-SRM system, has been fully developed and put in use on November 9, 2020.

2020.12.10
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LONGi Joined the Trust and Integrity Enterprise Alliance

LONGi recently joined the Trust and Integrity Enterprise Alliance (TIEA) and became a member of the alliance.

2019.6.20
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Supplier Announcement
Proposal on Innovation of New Materials, Technologies, Processes
Proposal on Innovation of New Materials, Technologies, Processes
2021-10-27
Notice on Reiterating LONGi's Non-disclosure Requirements to Suppliers
Notice on Reiterating LONGi's Non-disclosure Requirements to Suppliers
2021-04-13
Notice on LONGi's Non-disclosure Requirements to Suppliers
Notice on LONGi's Non-disclosure Requirements to Suppliers
2021-01-22
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Instructions
You can download related operation guides here for reference. If you have other questions, you can query them in FAQs.
System Operation Guide
Service Operation Guide

Contact us

If you have any idea or suggestion concerning the development of solar industry or you belive these are compatible with the development planning of LONGi, please contact us.

E-mail：supply_chain@longi.com