Residential energy storage system, modular high- voltage battery, suitable for residential energy storage, One set provides electricity for the whole house.
The 4140 alloy steel round bar is typically used for heavy industrial applications. 4140 is known for its strength, fracture resistance, abrasion and impact in high stress applications.
1.Send by Courier Express - DHL / TNT / UPS / FEDEX / EMS, 4-7 working days for delivery2.Send by Air: Arrive at destination Airport fast then pick it up by yourself3.Ship by Sea: Low shipping cost and slow delivery (15 --30days) Suitable for large quanti