The hub bolt is a high-strength bolt connecting the wheels of the vehicle. The connection position is the hub unit bearing of the wheel! Generally, level 10.9 is used for mini cars, and level 12.9 is used for large and medium-sized vehicles! The structure
Pursuing a simple and extremely comfortable use experience is also a life attitude. It is to let the family become a pure land to release pressure and liberate the soul. It is to integrate ideas, industries and ideas.
The casement window has a simple structure, a large opening area and good ventilation. The hardware and handles around the window sash can be operated indoors. Good airtightness, excellent sound insulation, heat preservation and impermeability. The inward
The main material of PVC drain pipe is polyvinyl chloride. PVC has strong heat resistance and corrosion resistance, which is a reason why PVC is widely used.
PEX pipe, also known as cross-linked polyethylene pipe, is made of polyethylene material, and the linear molecular structure of polyethylene is transformed into a three-dimensional network structure through physical and chemical methods so as to improve t