Shandong Huayishengshi Plant Protection Co.,LTD.which is a professional manufacturer and our export experience of more than 20 years. We mainly engaged in battery sprayermanual sprayerspare parts and technology support.Till now, our products have been exported to Russia,Iran,Uzbekistan,Pakistan,Australia,Vietnam, Bangladesh, India and so on ,more than 30 countries, and we have got the reputation for good quality, best services and preferential prices in these markets.