Longquan builds the country's largest auto parts park

On the 29th, the signing ceremony of the Chengdu Automotive Industry Investment Conference and the project was held in Chengdu. FAW Group, Nanjing Automobile Group, FAW Toyota, Geely Group, Hong Kong Ruilong Group and more than 50 well-known auto companies gathered at the meeting pla

Inspection and testing of valves

Chapter 1 Overview 1.1 Scope 1.1.1 This standard includes the requirements for inspection, inspection, supplementary inspection and pressure testing of gate valves, globe valves, plug valves, ball valves, check valves and butterfly valves. The above types of valves are elastomeric, non-metallic

Introduction to ore flotation development

Large-scale industrialization of flotation in the late 19th century was gradually developed in ancient silver and gold panning process, it has been recognized or different natural hydrophobic (lipophilic) use of fossil hydrop

2014 CNC machine tool industry must adjust existing industrial structure

CNC machine tool technology has made remarkable progress and a series of breakthroughs in high-speed, composite, precision, multi-axis. However, there is still a big gap between precision and reliability and foreign CNC machine tools. CNC machine tool technology has made remarkable progress

Dunlop Heavy Duty Truck Driveshaft Tire Listing

Recently, the well-known tire brand Dunlop introduced two new products, the SP835 and SP833 tires for drive axles and trucks, and made breakthroughs in improving the service life of tires, high-speed handling, and grip braking performance.

With the increasing number

New LED indoor lighting fixture design tends to save energy


Modern lighting not only plays a role in lighting in the living room, but also an important part of creating a living atmosphere in the living room. The lighting of the living room is inseparable from the lighting, and the lighting is the reaction of the lighting. It is not only a tool for