U.S. Congressional Committee Calls for Resolutely Discontinue Use of Bisphenol A

The U.S. House of Representatives Energy and Commerce Commission and its affiliated oversight and investigation committee have sent letters to the top four companiesâ€”Nestle USA, Mead Johnson, Abbott Laboratories Ross, and PBM Products Inc., hoping to stop them. Contains infant formula milk products containing monomeric bisphenol A. The letter cites the voluntary actions taken by Canadaâ€™s Wal-Mart and other companies after Canada issued a ban on bisphenol A. The two committees have been collecting and investigating the safety of bisphenol A made by the US Food and Drug Administration (FDA). The objectivity of scientific evidence. At the same time, the American Chemical Commission (ACC) has assigned FDA to re-examine the safety of bisphenol A.

Drilling equipment is used for drilling and construction of this specific conditions of the mechanical devices and equipment, divided into drilling equipment and Drilling tools two categories. Drilling equipment mainly by drilling rig, mud pump and mud purification equipment, mud mixer, drilling tower and other components,and drling tools includes driling pipe, adapter/kelly and collar.

Friction welding drill pipe and adapter

Friction welding drill pipe and adapter are in accordance with API SPEC 5DP and SY/T5561-2008 Specifications.The steel grade are DZ250,R780,G105,S135 that are after partly or overall heat treatment.The adapter part adopts thermal refining to superior alloy steel 35CrMo or 4137H that`s after thread hardening treatment and phosphating to better antiseize.It also can be produced upon customers` requirements.

Technical specifications

Drill Pipe Diameter		Upset Type	RSC Model	Steel Grade	mm Wall Thickness	mm External diameter of upset end	mm Internal diameter of upset end
mm	in	Upset Type	RSC Model	Steel Grade	mm Wall Thickness	mm External diameter of upset end	mm Internal diameter of upset end
60	2 3/8	EU	NC26	DZ50,R780	6/7.11	65.1	46.10
60	2 3/8	EU	NC26	G105,S135	7.11	65.1	39.67
73	27/8	EU	NC31	DZ50,R780	9	81.0	54.64
73	27/8	EU	NC31	G105,S135	9.19	81.0	50.80
89	31/2	EU	NC38	DZ50,R780	10	98.4	66.09
89	31/2	EU	NC38	G105,S135	9.35	98.4	63.50
114	41/2	IEU	NC46	DZ50,R780	8	127.0	92.00
		IEU	NC46	G105,S135	8.56	119.1	73.02
		EU	NC50	G105,S135	8.56	127.0	90.47
127	5	IEU	NC50	DZ50,R780	10	130.2	90.47
127	5	IEU	NC50	G105,S135	9.19	130.2	90.47
139.7	51/2	IEU	51/2FH	G105,S135	9.17	144.5	96.82
168	65/8	IEU	65/8FH	G105,S135	9.19	176.2	135.00

Drilling Machinery

Drilling Machinery,Drilling Tools,Parts Of Drilling Machinery,Fittings Of Drilling Equipment

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