Why is the compound action of hydraulic system preferred?

Heavy load (weight). The hydraulic system belongs to Ningbo Hengli Hydraulic Co., Ltd. According to the inquiry of Ningbo Hengli Hydraulic Co., Ltd., due to the heavy load (weight), the compound action of the hydraulic system will be given priority. Scope of business: manufacturing and processing of hydraulic equipment, hydraulic fittings and hydraulic systems; Property management.