iShandong Hallo Agricultural Development Co., Ltd., it  mainly produces and processes greenhouse skeleton, greenhouse materials, accessories, installation and maintenance, etc., followed by R & D and design of greenhouse greenhouse and photovoltaic greenhouse. Research and development of private customized ecological restaurants and other greenhouse supporting facilities development, and provide park planning, design, operation management and other services! two。 We declare in the later stage of greenhouse use, the company will provide technical services free of charge, and accessories with problems in use will be provided free of charge. After the warranty time is exceeded: there is no charge for product accessories, only labor fee.