GUANZHOU QIREAL MACHINREY EQUIPMENT CO.,LTD WAS ESTABLISHED IN 2016,AND OUR DIAMOND BRAND FOCUSE ON ENGINE PARTS .Our affiliates Lianxinsheng Engineering Machinery Co., Ltd. was established in 2009 and focuses on manufacturing core engine components.It launched the Diamond brand to enter the engineering machinery market and focuses on manufacturing core engine components such as engine cylinder liners, pistons, piston rings, cylinder liner repair kits, cylinder gaskets, and engine overhaul kits...