API balls & seats

• API 11AX specification:V11-106, V11- 125, V11- 150, V11- 175, V11- 200, V11- 225, V11- 250, V11- 375
• API ball and seats in Material: tungsten carbide/ stainless steel
• Product description: We produce full sizes of API 11AX standard specification, and our quality system meet API requirements.
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