Zhengzhou LYA Machinery Co., Ltd. is located in Zhengzhou, which is center of politics.economy and culture for the middle of China, enjoying convenient transportation and liberal economic environment. LYA has been specializing in designing and making brick& tile machinery for more than 20 years with 1580m2 area office and 48000m2 workshop, attained ISO9001 certification ISO9001:2008 and CE verification with fixed assets 150 million CNY. Now .more than 800 staff and 100 technical staff work ...