35 Business intermediary services in the field of product purchase and sale, namely, mediation of agreements regarding the sale and purchase of goods; import-export agency services; wholesale and retail store services featuring tank parts, valves, walkways and ladders and handrails specially adapted for tank trucks and tank truck trailers, fitted covers specially adapted for the manholes on top of metal tank truck containers and tank truck trailers, non-metal gaskets and other non-metal seals for use on pipes, tanks, vessels and other containers related to the transport, storage and processing of powders and fluids; the bringing together, for the benefit of others, of a variety of goods, particularly, tank parts, valves, walkways and ladders and handrails specially adapted for tank trucks and tank truck trailers, fitted covers specially adapted for the manholes on top of metal tank truck containers and tank truck trailers, non-metal gaskets and other non-metal seals for use on pipes, tanks, vessels and other containers related to the transport, storage and processing of powders and fluids, excluding the transfer thereof, enabling customers to conveniently view and purchase those goods by means of mail order catalogs and webshops; all services rendered by a supplier of products for the liquid and dry bulk transportation industries.