... operation Our factory manufacture and export pre-stressed concrete spun pile steel moulds. Generally, the range of diameter is ... 18m. So far, we have supplied and exported our spun pile mould to Malaysia, Thailand, Bangladesh, Mongolia etc. ... -1450020007307-1555020007807-1560020008307-15800200010307-151000200012307-15 Working Principle:1. This spun pile steel mould shall operate together with pile ...