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Pioneering several key technologies
Over 20 years of expertise in N-type production
Low-carbon production
Advanced production capacity
Full traceability
Empowering High-Quality Ingots
Conductance type
N-Type
P-Type
Ingots Type
210*210
182.2*182.2
182.2*183.75
182*210
Geometry
Index Property
90°±0.15° Angle etween adjacent sides
Material Properties
Index Property
CZ Growth method
<100>±3° Surface orientation
P Adulterant
≤7*10¹⁷ Oxygen concentration[Oi]
≤2.5*10¹⁶ Carbon Concentration[Cs]
≤500/cm² Etch pit density(dislocation density)
≥800μs Minority carrier lifetime
0.3-6Ω·cm Resistivity
Geometry
Index Property
90°±0.15° Angle etween adjacent sides
Material Properties
Index Property
CZ Growth method
<100>±3° Surface orientation
B Adulterant
≤7*10¹⁷ Oxygen concentration[Oi]
≤5*10¹⁶ Carbon Concentration[Cs]
≤500/cm² Etch pit density(dislocation density)
≥70μs Minority carrier lifetime
0.5-1.5Ω·cm Resistivity
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1.What is the main business of QJSOLAR?
QJSOLAR is a highly innovative solar company specializing in producing monocrystalline ingots and wafers. Starting in the 1990s with 2 domestic pullers, QJSOALR embarked on the exploration of N-type products in 2002 and became the first company in China to develop N-type monocrystalline ingots. It has over 20 years of dedication to the N-type ingots and wafers.
2.What are the technologies and innovations of QJSOLAR?
As pioneer in China solar monocrystalline field, QJSOLAR has more than 20 years of dedication to the N-type products experience, pioneering several key technologies. Currently, QJSOLAR has completed the integration of full-line digitization and informatization of production lines and continues to deepen the development of digitization and informatization, always staying at the forefront of technological exploration.
3.What is the production capacity of QJSOLAR?
QJSOLAR focuses on advanced production capacity, with a total planned production capacity of 40GW of ingots and 20GW of wafers. At present, the company is steadily expanding its production capacity and strategically planning the construction projects of the first, second, and third-phase factories.
4.How is the quality performance of QJSOLAR's products?
The business of QJSOLAR covers the global market and has a high level of market recognition. Its products rank among the top in the quality rankings from several clients and have won honorary awards such as the "Annual Quality Contribution Award" the "Certificate of Excellent Partnership" and the "Outstanding Strategic Cooperative Supplier", which are issued by various clients.
5.What sizes of products does QJSOLAR offer?
QJSOLAR focuses on large-sized N-type wafers and provides wafers that cover the mainstream technologies in the PV industry, such as Topcon, HJT, and BC. The sizes include 210*210, 182.2*182.2, 210*182, 183.75*182.2, and it also supports customized services for diversified sizes such as rectangular wafers and half wafers.