About Us

YONGKANG DAQI INDUSTRY AND TRADE CO., LTD is located in the city of hardware- YongKang city Zhejiang province, with 5000 square meters building area. We are manufacture and trade of spray equipment , wall tools and other power tools more than 15years.


Our main products are airless paint sprayer, putty spraying machine, laser level, laser distance meter, wall chaser, drywall sander, hand mixer and other power tools


If you have any enquiry about quotation or cooperation, please feel free to email us at sales@ykdaqitools.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.

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The Principle Of Laser Rangefinder

‚ÄčThe principle of ranging can basically be attributed to measuring the time required for the light to travel to and from the target, and then calculating the distance D by the speed of light c = 299792458 m/s and the atmospheric refractive index n.

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