Liaoning Koncepnutra CO.,LTD. is the professional manufacturer of L-Carnitine series products in China. L-Carnitine base and its derivatives; the production capacity is about 1000 tons annually; besides, we have completed a new compound: L-Carnitine calcium fumarate with independent patent in China and other main developed countries. Our Carnitine products are not only mainly selling to North America, Europe and South East Asia; but also our marketing networks of sales and service are over 100 countries and areas. Moreover we have established the warehouse in the USA.