Closing the door without anti-locking means that no loc…

As the saying goes, not afraid of thieves stealing, it is afraid of thieves. Especially at the end of the year, burglary has occurred. Many people think of changing a good lock and doing anti-theft. Recently, members of the Guangdong Locksmiths Maintenance Industry Association held a publicity campa ...more...

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Experience on the operation of large-scale CNC flame cu…

Experience on the operation of large-scale CNC flame cutting machine equipment China's steel output has already reached 100 million tons, and in recent years, the vigorous development of the downstream manufacturing industry has formed a synergy to promote the development of domestic CNC flame ...more...

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Curtain wall aluminum alloy sheet surface treatment of …

【China Aluminum Industry Net】1. The fluorocarbon resin content should not be lower than 75%; in the seaside and severe acid rain areas, three or four fluorocarbon resin coatings can be used, and the thickness should be greater than 40μm; in other areas, two can be used. Fluorocarbon ...more...

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How to avoid chromatic aberration on the wall of paint?

To avoid the color difference between the color card and the paint on the wall, you must first consider the relationship between the room orientation and lighting. Secondly, the size of the color card to be viewed should not be too small, preferably 20 cm x 20 cm, and viewed u ...more...

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Bench drill, drilling machine how to choose hollow dril…

If you want to use a hollow drill bit, you must use a conversion sleeve. Mohs stalks are old-fashioned bench drills and drill presses. If you want to use a hollow drill bit, you must use a conversion sleeve. Mohs stalk Mohs conversion adapter is also called: conversion handle, conversion. The Post ...more...

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How to use thyristor inrush current tester method

DBC-101 Thyristor Inrush Current Tester Introduction The DBC-101 Thyristor Inrush Current Tester is based on the relevant provisions of JB/T7624-94 "Rectifier diode test method" and JB/T7626-94 "Reverse Blocking Tube Test Method". And design. The circuit design of this equipment ...more...

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Facing the rain and rain, we will do a good job in cott…

    In early April , it was the start-up period of cotton nutrition and nursery in cotton producing areas. However, recent rains and rains have been frequent, and the temperature has changed rapidly and warmly. This has brought great difficulties to cotton seedlings. It is necessary to se ...more...

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