1, Hailinyuan electric wrench is made of good materials. Hailinyuan electric wrench is made of aviation grade aluminum, which is very resistant to falling, ensuring the protection of the fuselage and reducing damage.

2, Hailinyuan electric wrench battery is durable. Hailinyuan electric wrench's ETP lithium battery power-saving technology is well known. With the same battery pack, the service life of Hailinyuan electric wrench will be more than 30% longer than that of most electric wrenches.