Sintex Industries has signed an agreement with a UK-based company for its textile business.As per the agreement, the UK firm would assist the company in designing and packing products and niche client identification. It would also train Sintex's staff to market these products to several leading brands."Under this tie-up, which involves product designing and product sales for a three-year period and is renewable for another five years, the UK-based firm would give the company 3,000 designs per quarter," according to a release issued by Sintex to the BSE today. The name of the UK-based company was not disclosed.