... mix 3.5 cu ft (100L) of concrete. Max mixing 4 to 5 bags of pre-mix concrete· Highly durable--a recyclable, UV stabilized ... can mix all materials, thoroughly mixes up to 500 lbs of concrete, sand,mortar, stucco, grout or wall mud. · Electric motor or ... . Approval: CE/ CSA/ UL 5. About us: --Professionally manufacturer of portable concrete mixer --Own design and develop team --Be flexible to design ...