Plastic specialist Coral Products announced it has finally signed a 10-year supply agreement with a leading national online retailer, which it has been in talks with since December, for £8m.Under the terms of the agreement, the group will supply a range of tote boxes that would support the online retailer's presence, with initial deliveries beginning from June onwards.As of 10:25 the share price had risen 9.62% to 13.5p.WS