The concrete pumps we offer are in the type of towing with S-valve and butterfly valve for customers to choose from.And the engine of concrete pumps can be power or diesel according to customers' requirements.The pumps of power engines we can offer are as follows:HBT80B-16-110S (54 - 87m3 per hour);HBT80A-13-90S (36 - 80m3 per hour);HBT60A-11-90S (36 - 90m3 per hour).The pumps of diesel engines we can offer are as follows:HBT90-18-174RS (58 - 95m3 per hour);HBT60B-11-130RS (36 - 60m3 per hour);HBT80C-16-154RS (45 - 80m3 per hour).