We often have a high-frequency word during maintenance or installation, which is the “performance level” of the bolt. So, what is the bolt level and what does it mean? Today, I will tak...
That is teeth, also known as screw. It is the name of the Han nationality furniture parts in the Ming and Qing Dynasties. The corresponding standard is not found in the national standard, correspon...
A screw refers to a screw (foreign name: Screw). It is a tool that utilizes the physical and mathematical principles of the circular rotation and frictional force of an object to gradually tighten ...
Our company recently launched in handan diaoyutai office, (address: allianz diaoyutai, zhonghuabei avenue, congtai district, handan city, hebei province)here the air is fresh, the transportation is...
Dear friend
We will give masks and other protective equipment to friends from abroad for free. We will also pay for the express fee. I hope you can take good care of yourself and ensure your safe...