• Model NO.: 560*5mm
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A few days ago, Academician Qian Qihu, winner of the National Science and Technology Awards in 2018, said: "Every step of the research that has been formed by the National Science and Technology Awards has not left the standardization."

Academician Qian Qihu also pointed out …

Permanent ground library

The permanent ground blasting equipment library shall be a bungalow, brick-concrete structure, and the wall shall be firm, dense and insulated, and resistant to corrosion. The roof should be rei…

[China Instrument Network Instrument R&D] Recently, the large-diameter and M-value measuring equipment for spline products independently developed by the National Oceanic Oil and Gas Resource Development Equipment Industry Measurement Center of Zhejiang Measurement Institute (formerly) wa…

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The CNC press brake is a kind of press brake controlled by a CNC system.

CNC press brake can fold sheet metals into various profiles.

The bending accuracy and quantity are related to the synchronous system, the hydraulic system and the back gauge.

The function …

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Runner flow balance has been one of the most essential factors when it comes to a successful mold design. However, achieving a balanced flow pattern is not always an easy task for many mold designers. When polymer melt flows through the runner, a frozen layer will be created …

The main accidents in open pit mines include:

Side slope landslides, transport vehicle accidents, mechanical accidents, lifting injuries, electric shocks, water hazards, fires, high-altitude falls, blasting accidents, boiler and pressure vessel explosi…