14" Forged bar 
Round bar for the welded stabilizer body 

Forged shaft,
1) standard: ASTM, JIS, BS, DIN, etc
2) Diameter: Less than 37.4 inches
3)Length: Less than 433 inches
4) Weight: Less than 20 tons
5) Material:

Alloy steel: Nitralloy; Maraging 250, 300, 362, 4140, 4130, 4330, 4340 etc.

Carbon Steel: CK35, CK45 etc.

Stainless Steel: 200, 300, 400, 500 series, Nitronic 40, 50, 60, 80 etc.

Tool Steel: A2-A10, D2, D3, D5, H11, H12, H13, M2, M50 etc.

Heat resistant Steel: Tungsten, Molybdenum etc.                 

Nickel Alloy: Nickel 200, 201, 204, Monel 400, 402, 403, 404 etc.

Heat resistant Steel: Tungsten, Molybdenum etc.

Equipped with a large batch of heavy equipment such as 1000T & 2500T free- forging oil press machines, 1600T & 4500 T hydraulic forging machines, quenching & tempering furnace, deep hole & boring machine and grinding machine.
The main products include mandrel bar, pipe moudle, roller, stabilizer, forged shaft, forged ring etc which will be made according to different industry standard such as GB, ASTM, DIN, API, ISO and so on. And the material covers alloy steel, bearing steel, moudle steel, stainless acid-resistant steel, carbon steel etc.

High quality open die forging
Alloy Steel: 4145 H, 4130, 4140, 4340 etc.
Carbon Steel: CK35, CK45 etc.
Stainless Steel: 1Cr13, 2Cr13
Tool Steel: H1, H13

Other forging shape

Forged ring                                                                                            Forged gear
       

ZZ TOP OIL TOOLS is the professional manufacturer for the drill stem testing tools and surface testing equipment. All the DST tools are conformed with NACE MR 0175 with traceability,and the DST tools can be worked in H2S & CO2 above 175 F and full H2S, also with the skilled and experienced engineers, we can design the drill stem testing tools as per customer's well condition. Moreover, we supply the training in our factory and operation instruction at the well site. The DST tools are exported to USA, Colombia, India, Pakistan, Iran, Brazil etc. and enjoy the good reputation from the customers.

As the manufacturer, we produce below items:

-DST tools- Full bore retrievable packer, circulating valve, select tester valve,safety valve etc.

-Surface well testing equipment -  Flowhead, SSV, ESD,Separator etc.

-Wellhead equipment such as BOP, X-mas tree, Choke manifold, kill manifold, drilling spool, casing head and other valve & flanges

-Downhole tools such as stabilizer, stabilizer forging, reamer, X-over sub and  etc

As the distributor, we are working with large rig companies and heavy equipment manufacturers for the below products:

-Rig parts from RG,BOMCO,SJ,Hong Hua,KR etc,such as mud pump,rotary table, hook & block, swivel, crown block and consumable parts

- BOP and wellhead parts from Rongsheng,Shenkai

- Pipe- Tubing, Casing, seamless pipe

- Handling tools and Fishing tools