Protective mask maintenance method:
1. Regularly check the air supply mask and the carbon filter mark and replace them properly.
Second, often remove water from oil and water separators an…
Although the China Iron and Steel Association has called on steel mills for rational production several times, it has had little effect. Zhu Baoliang, director of the Economic Forecasting Department of the Nati…
The high-strength graphite composite gasket is made of pure graphite plate or metal (tooth plate, flat plate, mesh) reinforced graphite plate. It has many excellent sealing properties, such as: heat stability, self-lubrication, corrosion resist…
Butterfly-shaped head current national standard
GB/T10752-1995 marine steel pipe butt welding head
GB/T12772-1999 Flexible interface cast iron pipe and fittings for drainage
GB/T 8803-2001 Injection molding of rigid polyvinyl chloride (PVC-U)…
Austenitic stainless steel and iron body stainless steel can be distinguished by magnetic test. Austenitic stainless steel has high corrosion resistance, good cold workability and toughness, plasticity, weldability, and is non-magnetic steel, but after large pressure co…
After the lamp is installed and used, the structure of the lamp body is not leaking. That is to say, only the side of the lamp that emits light can be seen, and other parts of the lamp body are embedded i…
Stripes in the popular pop field are one of the popular elements, not only to make the home simple and fresh, but also to have a sense of fashion and mystery, and the different colors and forms of stripes…
In the first three months of this year, the domestic ammonium phosphate market is expected to continue for manufacturers and d…
Long-term machining: In the cutting of difficult-to-machine materials, the service life of a turning tool is very short, and the milling cutter can be used for a long time because it distributes the cutting load by multi-edge cutting. Since the milling cutter has a long service life, the tr…
In the hardware market, the competition is becoming more and more fierce, and intellectual property protection is getting more and more attention. Today, how to use intellectual property to protect themse…