... , credit” and the quality policy of “Keep on improving and do better”, aims at satisfying customers, carries out production according to ... products JZ21, JZ21F, J23. KZ25, J21S, JZ21G, JZ21K, JZ31, JZ36 series presses, total up to more than 60 models, enjoy high ... possesses a state-level laboratory of mechanical press testing. JS21 series open-type servo press