April 05, 2025

2011 Security Exhibition: The giant electronic fence giant attracts attention

[Zhongguancun Online Beijing Security Exhibition Live Report] On April 26, 2011, the 9th ...

Foreign security industry development standards

After more than 20 years of development, China's security market has continued to expa ...

Gao Jifan: Roof solar power can meet 30% of China's total electricity consumption

The 2nd Global Think Tank Summit was held in Beijing from 25th to 26th. Gao Jifan, chairma ...

Zinc Plated Steel Lock Safety Split Spring R Pin

Model NO.: R pin ...

Main points of corn fertilization technology

1. The demand for fertilizer nitrogen, phosphorus and potassium varies with the yield, region a ...

Roots vacuum pump classification and characteristics

First, the concept and classification of Roots vacuum pump: 1, concept: Roots vacuum pump is a rotar ...

The "Twelfth Five Year Plan" of the Ecological Aluminum Industrial Base of Jinbei Aluminum Co., Ltd. was reviewed by experts

On the morning of May 17, the Shanxi Provincial Development and Reform Commission organize ...

Butterfly valve maintenance precautions

1, the butterfly valve butterfly installed in the pipe diameter direction. 2, the butterfly plate is ...

Home building maintenance tips how to extend the life of composite wood flooring

The economical and practical composite wood floor has become the main choice for the ground decora ...

Bangpu Company: 230 Million Waste Battery Renewals Every Year

Hunan Bangpeng Cycling Technology Co., Ltd., which recycles used batteries, held the found ...

Small-sized space creative design method small-sized space design skills

The current housing prices are so high, many people have worked hard all their lives ...

How can the quality of the helmet be linked to the head?

With the advent of the summer season, all construction sites in Harbin are rushing to the construct ...