A high pressure airless sprayer inlet valve

【Public (Announcement)】 CN2733042 【Public (Announcement)】 2005.10.12 【Application (Patents)】 CN200420091140.6 【Applicant (Patentee】 Xie Yi Ren; Wang Yifei】 【Invention (Design) Xie Yi Ren; Wang Yifei Abstract] The utility model r

Huizhou Renxin Proposes 240,000 Tons of Polystyrene Project

On August 9th, Huizhou City Environmental Protection Bureau publicized the environmental impact assessment of the 240,000 t/y polystyrene project of Huizhou Renxin Polyphenyl Group Co., Ltd. for the second time. The project covers an area of ​​62786 square meters with a total

Domestic LED export industry faces new challenges


At present, China's LED export industry is facing a new round of impact on foreign technology barriers, which has a greater impact on the LED export industry. Statistics show that since 2012, the United States, the European Union, Japan and other countries and regions have successively

Measures to improve the blasting quality of open pit mines

In order to improve the quality of open-pit mine blasting, there are several effective methods:

(1) Multi-row hole millisecond blasting. It has significant advantages: the rock is broken evenly, the bulk rate is low, the explosion is