The plug valve is a closing or plunger-shaped rotary valve that opens or closes by rotating th MORE

1. The valve stem lift type wedge plug valve has no friction at all times, ensuring easy opera MORE

Abstract The 3rd Council Third Meeting of the China Machinery Industry Metal Cutting Tool Tec MORE

1. Don't just look at the product's manual. Any product must be tested on-site to dete MORE

Since the end of this autumn, the temperature in the whole province has been generally high, the ra MORE

The current price of huanghuali wood: The latest data in 2011 shows that the market price ran MORE

Recently, the High-tech Department of the Ministry of Science and Technology MORE

Yuba is the preferred heating device for many families to bathe (also known as multi-function MORE

A group of special sodium lamprophyre porphyry was found in the Mesozoic intracontinental exte MORE

Whether the labor protection expenditure incurred by an enterprise can be deducted before the enter MORE

Hainan huanghuali, a Chinese wood net, is called “after the wood”. It is not only MORE

Species Name: Yellow Peony Latin name: Paeonia delavayi var. lutea (Franch.) Finet. Et Gagnep MORE