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{"title":"API Spec 7,NC31-41,3 1\/2''Oilfield Drill collar","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/53\/eb\/c4a69d9c8e340955731670c4a325-200x200-1\/api_spec_7_2cnc31_41_2c3_1_2f2_27_27oilfield_drill_collar.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"API 7-1 Integral Sprial-grooved Drill collar","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/5f\/2f\/d3c6b7e714bca47b077fa8936996-200x200-1\/api_7_1_integral_sprial_grooved_drill_collar.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"English Spiral Drill Collar","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/53\/eb\/c4a69d9c8e340955731670c4a325-200x200-1\/english_spiral_drill_collar.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"Downhole Drilling Tools Drill Collar","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/53\/eb\/c4a69d9c8e340955731670c4a325-200x200-1\/downhole_drilling_tools_drill_collar.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"API drill collar for oil and gas well drilling from Jiangsu, China","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/53\/eb\/c4a69d9c8e340955731670c4a325-200x200-1\/api_drill_collar_for_oil_and_gas_well_drilling_from_jiangsu_2c_china.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"alloyed steel Heavy weight drill pipe specification 3 1\/2-6 5\/8" , API","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/55\/18\/bf60d8d9cd4de704f5e7a147b098-200x200-1\/alloyed_steel_heavy_weight_drill_pipe_specification_3_1_2f2_6_5_2f8_22_2c_api_specification.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"China 2015 hot sale API cheap heavy weight drill pipe HWDP","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/2a\/41\/114594671b3c1912ca747c9cc1d7-200x200-1\/china_2015_hot_sale_api_cheap_heavy_weight_drill_pipe_hwdp.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"oil and water usage drilling products non-magnetic heavy weight drill pipe on","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/aa\/b6\/95ccb5431c91294e836b276b494d-200x200-1\/oil_and_water_usage_drilling_products_non_magnetic_heavy_weight_drill_pipe_on_sales.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"API Non magnetic Heavy Weight Drill Pipe\/Drill Rod\/Drill Stem for sale-Factory","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/aa\/b6\/95ccb5431c91294e836b276b494d-200x200-1\/api_non_magnetic_heavy_weight_drill_pipe_2fdrill_rod_2fdrill_stem_for_sale_factory_supplier_i.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"heavy weight drill pipe","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/aa\/b6\/95ccb5431c91294e836b276b494d-200x200-1\/heavy_weight_drill_pipe.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"China best KELLY for rigs","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/84\/48\/fee958bb4fbcaea3e62ddab2dfbd-200x200-1\/china_best_kelly_for_rigs.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"API square kelly and Hexagonal kelly","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/84\/48\/fee958bb4fbcaea3e62ddab2dfbd-200x200-1\/api_square_kelly_and_hexagonal_kelly.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"square kelly and Hexagonal kelly for oil and gas","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/84\/48\/fee958bb4fbcaea3e62ddab2dfbd-200x200-1\/square_kelly_and_hexagonal_kelly_for_oil_and_gas.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"API rotary drilling square kelly bar for oil drill pipe good price for sale","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/65\/83\/31419ee223f936b6f548b1a3af53-200x200-1\/api_rotary_drilling_square_kelly_bar_for_oil_drill_pipe_good_price_for_sale.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"API square kelly and Hexagonal kelly for Rig kelly bar","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/41\/e5\/1a1aa72d8bde51f6f86305576511-200x200-1\/api_square_kelly_and_hexagonal_kelly_for_rig_kelly_bar.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"API standard Non-magnetic Drill Collars","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/41\/83\/c0b547ffb1e1f570f005c431a884-200x200-1\/api_standard_non_magnetic_drill_collars.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"oil and gas spare parts non-magnetic drill collar price \/ drill collar for well","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/5f\/2f\/d3c6b7e714bca47b077fa8936996-200x200-1\/oil_and_gas_spare_parts_non_magnetic_drill_collar_price_2f_drill_collar_for_well_drilling.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"Drilling equipment oilfield API non-magnetic drill collar","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/5f\/2f\/d3c6b7e714bca47b077fa8936996-200x200-1\/drilling_equipment_oilfield_api_non_magnetic_drill_collar.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"Oil Well Drilling Tools Non-magnetic Drill Collars high quality","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/41\/83\/c0b547ffb1e1f570f005c431a884-200x200-1\/oil_well_drilling_tools_non_magnetic_drill_collars_high_quality.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"API spec non-magnetic drill collar for well drilling NC46-62","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/41\/83\/c0b547ffb1e1f570f005c431a884-200x200-1\/api_spec_non_magnetic_drill_collar_for_well_drilling_nc46_62.jpg","attrs":{"Place of Origin":"China","Brand Name":"SHUGUANG","Certification":"API 7-1;NS-1"}}
{"title":"High Quality Sulfur Resisting Drill Pipe in China","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8e\/7c\/f949e124ac9966a3eed4162cb4ac-200x200-1\/high_quality_sulfur_resisting_drill_pipe_in_china.jpg","attrs":null}
{"title":"The Most Popular Sulfur Resisting Drill Pipe in China","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/af\/8b\/69b4219e6ba5bbf0461c1910d0b5-200x200-1\/the_most_popular_sulfur_resisting_drill_pipe_in_china.jpg","attrs":null}
{"title":"The Most Popular Sour Service Drill Pipe in 2015","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/af\/8b\/69b4219e6ba5bbf0461c1910d0b5-200x200-1\/the_most_popular_sour_service_drill_pipe_in_2015.jpg","attrs":null}
{"title":"High Quality Sour Service Drill Pipe","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/af\/8b\/69b4219e6ba5bbf0461c1910d0b5-200x200-1\/high_quality_sour_service_drill_pipe.jpg","attrs":null}
{"title":"China 2015 hot sale API cheap Sulfur Resisting\/Sour Service Drill Pipe","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8e\/7c\/f949e124ac9966a3eed4162cb4ac-200x200-1\/china_2015_hot_sale_api_cheap_sulfur_resisting_2fsour_service_drill_pipe.jpg","attrs":null}
Be a quality Drill collar supplier from China，we
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