亚洲视频国产精品_国产精品福利网站|HD中文字幕在线播放,一代女皇一级艳史,日韩一级片免费看,同桌让我腿扒开摸到高潮

PCB is the abbreviation of printed circuit board, it is the provider of electrical connection for electronic components.

GHTECH is committed to the research and development of lithium battery life cycle technology. At present, we have mastered the production technology of lithium materials, patented technology of lithium battery pack disassembly, cascade utilization and recovery of valuable metals, and explored and established the mechanism and technical standards of cascade utilization and recovery of new energy automotive power batteries. In 2018，GHTECH becomes one of the first five enterprise meeting the Specifications for Comprehensive Utilization of Used and Scrapped Power Batteries of New Energy Automobile in China.

Our electronic chemicals enable silicon wafer cutting tools to maintain excellent hardness at all times, increasing the cutting rate and productivity of polycrystalline silicon/monocrystalline silicon.

The surface treatment products of GHTECH bring high quality coatings for electronic components and improve the welding ability of products.

GHTECH provides the pharmaceutical industry with a wide range of specialized chemicals as raw materials to help produce better products.

GHTECH high-quality specialized chemicals, as one of the important raw materials for daily chemicals, have been widely used.

GHTECH provides high-quality surface treatment services for metal and plastic parts such as faucets and flower sprays in bathroom products, making these products both anticorrosive and aesthetic.

In the field of scientific research and product testing, our chemical reagent help R&D and testing personnel obtain accurate results feedback.

Guanghuayigou is an elaborate business platform built by GHTECH, aiming at providing one-stop laboratory packaging services for enterprises and scientific research institutions.