In May 2009, Roc-Master successfully got a duplex piping products order for CNOOC (China) limited (Zhanjiang) Yacheng PFA project (It was the Yacheng wellhead manifold reforming and pipeline tied-back engineering). The products in this order included ASTM A815 UNS S31803 API 5000PSI BW & Forged pipe fittings, ASTM A182 F51 2500LB flanges and their ancillary fasteners of ASTM A453 GR660 with XYLAN 1424 green coating.