Customer Sales Specialist (UPVC / Window & Door Parts) 27,000 – 30,000 DOE + Product Training + Bonus + Early Friday Finish + Company Benefits Birstall Are you a skilled sales or customer service professional with knowledge of UPVC, windows, or door hardware looking to join a well-established family business? Established over 30 years ago, this family-run business supplies high-quality UPVC, window, and door hardware to tradespeople, locksmi…