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About Us


Company Profile

Zhejiang QLG Holdings Co.Ltd. , founded in 2000, Includes 3 plants now, one is soldering materials, the other is high voltage electrical, the rest one is liquid soldering flux.

QLG is a China-based manufacturer and supplier, with R&D, manufacturing, sales and service of solder material. Main innovative products include solder wire, solder bar, solder paste, solder preform, liquid solder flux, red glue and other soldering related products.

QLG have passed the ISO9001:2015, ISO45001:2015 and ISO14001:2018 certifications. Our environmental friendly products have been approved by ROHS and REACH. Nowadays, It has specialized R&D team and has acquired a variety of patents, including 11 patents for invention, and 12 patents for utility, also involved in making three national standards which are GB/T 31476 (solder materials), GB/T 31474 (liquid solder flux) and GB/T 31475 (solder paste).

Our production line is one of the best in our industry, we imported the ICP from America PE Company and own a complete array of advanced production and inspection equipment. We also strictly pay attention to every section from production to shipment, each step of our production is carefully monitored and supervised for the outstanding standard of quality that customer’s expectation. QLG uses only ultra-pure virgin raw materials to produce high-quality products. Our products are exported worldwide to more than 20 countries and regions including America, Russia, Canada, Pakistan, Jordan, Spain, Germany, India, etc.

Focus on electronic soldering Continuous efforts to surpass self-improvement

QLG Holdings



Moved into the private house, introduced solder wire soldering rod production equipment, officially put into production


Moved into the nearby old school for the second time to expand production scale


Started production of lead-free solder wire products, lead-free solder wire series products are tested by SGS


Acquired ISO9000 quality management system certification, OHSAS18001 occupational health and safety management system certification and EU ROHS environmental protection certification


For the third time, it moved into the new factory in Xiangyang Industrial Zone. The company entered the standardized management and development fast lane; the company changed to Zhejiang Powerful Soldering Material Co., Ltd.


Participated in the drafting of three national standards for soldering, solder paste and flux for high-quality internal interconnection of electronic assembly; the completion of the construction of a new plant in Yueqing Economic Development Zone


Established a laboratory and introduced the ICP emission spectrometer representing the international advanced level from the United States for material composition identification analysis.


It was recognized as “Zhejiang Small and Medium-sized Science and Technology Enterprise” by Zhejiang Science and Technology Department; invested and established Zhejiang Powerful Electric Co., Ltd.


The company was included in the “National Spark Program” by the Ministry of Science and Technology.


The company's seven leading products won the "Zhejiang Science and Technology Achievement Award"; invested in the establishment of a strong high-voltage electrical division


The company was awarded “Zhejiang High-tech Enterprise” and solder products were listed in the “National Torch Program Industrialization Demonstration Project”; the company was changed to Zhejiang Power Holdings Co., Ltd.


Strong trademark won Wenzhou famous brand products; won Wenzhou City Science and Technology Progress Award


Won the key high-tech enterprise of the National Torch Program; Wenzhou Patent Demonstration Enterprise; Zhejiang High-tech Enterprise R&D Experimental Center


The company established Beijing R&D Center, focusing on the development of solder paste and chemical technology.


Won the excellent soldering company of Shanghai Nonferrous Metals


Acquired a 37-acre factory in Yueqing Economic Development Zone and invested heavily in renovation


Participated in the drafting of three industry standards "General Specification for Solder Paste", "Lead-Free Solder, Chemical Composition and Morphology" and "Leading Soldering Lead-Free Soldering"


The second plant of Yueqing Economic Development Zone was put into use




Participation in the formulation of national electronic standards


Participate in drafting three
industry standards


Participate in drafting three
industry standards


Participate in drafting three
industry standards


about us
High-tech Enterprise Certificate
Wenzhou Patent Demonstration Enterprise
Wenzhou Enterprise Technology Research and Development Center
Third Prize of Wenzhou Science and Technology Progress Award Lead-free Photovoltaic Flux
Yueqing Science and Technology Progress Award
National Torch Program key high-tech enterprises
High-tech Enterprise Certificate


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