ABOUT US
Jiande Hengtian Electrical Appliance Co., Ltd., located in Hangzhou, Zhejiang Province, specializes in the research and development and production of power strip, extension cords, replacement plugs, voltage protectors and other electrical products. Its products are exported to the United States, Canada, Mexico, Colombia and other countries, and have obtained UL, ETL, cETL and other international standard certifications.
We sincerely invite friends from all walks of life to visit, guide and discuss business.
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Ten years of sharpening a sword, the style and hidden worries of the electronics industry
Due to the impact of the international financial crisis, the electronics industry became the most affected industry in the national economy in 2009, with the total operating income yoy and operating profit yoy falling to 8.51% and -74.09% respectively.
넶59 2022-06-10
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How to control reflow soldering quality?
Reflow soldering process is to realize the mechanical and electrical soldering between the solder end or pin of surface assembled components and the PCB pad by remelting the paste solder pre allocated to the PCB pad.
넶62 2022-06-10
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What damage will be caused to the bearing if the use method is incorrect?
The countermeasures taken are to ensure that the bearing is installed in place or to change the free side bearing outer ring fit to clearance fit, so as to compensate the bearing when the bearing is overloaded.
If the installation cannot be ensured in place, the direct contact of the bearing can be reduced by increasing the oil film thickness of the lubricant (increasing the viscosity of the lubricant) or reducing the load of the bearing.넶48 2022-06-10
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