Customised downhole tool solutions for all wellbore conditions — safety systems, packers, flow control, fracturing, and sand control. Pressure 3K-20K psi, temperature 250-450℉, tube size 2-3/8″ to 13-3/8″. Manufactured at our Suzhou Taicang base. 针对各类油气井工况定制创新型井下工具解决方案，覆盖安全系统、封隔器、流量控制、压裂、防砂五大产品线。压力 3K-20K psi、温度 250-450℉、管径 2-3/8″ ~ 13-3/8″。苏州太仓基地制造。
Illustration at exhibit scale: one typical arrangement, spacing compressed, internal details simplified.示意图（放大展示）：一种典型管柱配置，间距已压缩，内部细节经过简化。
Tubing-retrievable safety valve: fail-safe closure. When control-line pressure is lost, the spring lifts the flow tube and the flapper shuts.油管回收式井下安全阀：失效自动关闭。液控管线失压时，弹簧推回中心管，阀板关闭。
A gas-lift valve in its side-pocket mandrel, and a sliding side door that is shifted open and closed.偏心工作筒内的气举阀，以及可开关的滑套。
The production packer anchors the string and seals the annulus: the slips bite the casing and the element packs off.生产封隔器锚定管柱并密封环空：卡瓦咬住套管，胶筒坐封。
A gravel-pack packer and screens across the perforated interval.砾石充填封隔器与筛管覆盖射孔段。
Tubing-retrievable, wireline-retrievable, and HPHT safety valves engineered for demanding offshore and ERD wells. Fail-safe closure protects the well in any emergency scenario. 管输式、电缆式与高温高压安全阀，专为最严苛的海上与大位移井设计。失效自闭保护功能保障紧急情况下井口安全。
Permanent hydraulic, retrievable hydraulic, mechanical retrievable, ESP, and self-swelling packers. Anchoring, sealing, dual-string, and multi-set configurations available. 永久水力、可回收水力、机械可回收、电潜泵、油水溶胀型封隔器全套产品。锚定、密封、双管柱、多次设置等多种配置。
Sliding side doors (SSD), shifting tools, flow couplings, landing nipples, and lock mandrels. Full retrievability with running and pulling tools for every component. 滑套（SSD）、移位工具、流动短节、锁定芯轴及回收工具。每个组件均配套完整的下入与回收工具，支持全程可回收。
Ball-drop plugs, toe sleeves, frac hanger packers, open-hole frac packers, wellbore isolation valves, and float equipment. Engineered for high-pump-rate, multi-stage fracturing operations. 球座+塞、套管脚阀、悬挂封隔器、裸眼压裂封隔器、井筒隔离阀及浮箍浮鞋。专为大排量、多级分段压裂作业设计。
Gravel pack packers, premium screens, wedge-wire screens, perforated pipe, slotted liner, and gas/oil filter elements. Engineered to maintain reservoir productivity while preventing sand production across the well lifecycle. 重力充填封隔器、Premium 筛管、楔形丝筛管、孔眼管、割缝管、气/油过滤芯。在保持储层产能的同时，全生命周期防止出砂。
Tubing-Retrievable Safety Valve (TRSV)管输式井下安全阀（TRSV）
2-3/8″ ~ 7″ · 5K – 10K psi · 300℉ · 1,500 – 2,200 ft setting depth
Wireline-Retrievable Safety Valve (WRSV)电缆回收型安全阀（WRSV）
Field-retrievable via slickline · Back-up for TRSV failure钢丝绳现场回收 · TRSV 失效备份
HTHP Safety Valve高温高压安全阀
3-1/2″ ~ 4-1/2″ · 15K – 20K psi · 450℉ · 1,500 ft
Flow Couplings流动短节
Pre- and post-valve protection against high-velocity erosion阀前/阀后高速流体冲蚀防护
A2101 PWA · Permanent Hydraulic w/ Anchor永久水力带锚定
Single-string permanent packer with mechanical anchor lock单管柱永久封隔器配机械锚定锁紧
A2102 PAR · Permanent Retrievable永久可回收
Permanent-set with full retrievability for workover operations永久坐封，修井作业时可回收
A2105 PSS · Self-Swelling Packer自膨胀封隔器（油/水溶胀）
Oil- or water-swelling elastomer, no mechanical setting required油或水溶胀弹性体，无需机械坐封
A2201 RHS · A2202 RRH · Retrievable Hydraulic可回收水力封隔器
Hydraulic-set, mechanically retrievable for repeat use水力坐封，机械回收可重复使用
A2203 RHD · Dual-String Retrievable双管柱可回收封隔器
Concentric or parallel dual-string configurations同心或并列双管柱配置
A2302 RMV · Mechanical Retrievable Non-Rotating机械可回收非旋转
15,000 psi · 400℉ · No rotation required for setting坐封时无需旋转
A2401 EP3 · A2402 EP5 · ESP Packers电潜泵封隔器
Electrical submersible pump packers with cable bypass电潜泵封隔器，配电缆穿越接口
A2103 PWT · A2104 PWS · Additional Permanent Hydraulic Variants其他永久水力封隔器型号
PWT (tubing-set) · PWS (single-grip)PWT 管柱坐封型 · PWS 单卡瓦型
Sliding Side Doors (SSD)滑套（SSD）
Selective and non-selective opening/closing for multi-zone production选择性与非选择性开闭，用于多层生产管理
Shifting Tools移位工具
Mechanical shifting tools matched to SSD profile配套 SSD 型廓的机械移位工具
Landing Nipples锁定芯轴座
Selective and no-go nipples for plug, valve, and gauge landings选择性与定位锁定芯轴，用于塞、阀、压力计座挂
Lock Mandrels & Retrieving Tools锁定芯轴及回收工具
Full kit of mandrels, prongs, and pulling tools芯轴、定位销、回收工具完整组合
A4201 FHP · Frac Hanger Packer压裂悬挂封隔器
Sets and hangs the frac string while isolating production zone坐封并悬挂压裂管柱，同时隔离生产层
A4202 FOHP · Open-Hole Frac Packer裸眼压裂封隔器
300℉ · 10,000 psi · For open-hole multistage fracturing用于裸眼多级压裂
BPD · BPS · BPM · Ball-Drop Plugs & Retainers球座+塞与保持器
Single-trip multi-stage frac isolation system单趟多级压裂隔离系统
Toe Sleeve套管脚阀（Toe Sleeve）
Pressure-actuated initial frac entry sleeve压力激活的首段压裂入口阀
FWIV · Wellbore Isolation Valve井筒隔离阀
Provides isolation between frac and production strings压裂与生产管柱之间的隔离
FFC · FFS · Float Collars & Shoes浮箍与浮鞋
Cementing-grade float equipment for casing strings用于套管下入的固井级浮箍浮鞋
A7101 GP · Gravel Pack Packer重力充填封隔器
Engineered for high-rate gravel pack operations为大排量砾石充填作业设计
Premium ScreensPremium 筛管
Multi-layer woven mesh, custom slot sizes for formation grain analysis多层编织网，根据地层粒度分析定制缝隙
Wedge-Wire Screens楔形丝筛管
High open-area triangular wire for high-flow applications三角形丝高过流面积，适用于高流量应用
Perforated Pipe / Slotted Liner孔眼管 / 割缝管
Cost-effective sand control for consolidated formations成本经济的胶结性地层防砂方案
Gas / Oil Filter Elements气 / 油过滤芯
Surface filtration elements for produced fluid clean-up采出液净化的地面过滤芯
ASA · LSA · SLS · Seal Assemblies密封总成
Anchor seal, locator seal, and snap-latch seal assemblies for packer bore sealing锚定密封、定位密封、Snap-latch 密封总成，用于封隔器密封筒
MOE · SBE · PBR · Extensions & Seal-Bore Receptacles延伸筒与密封筒
Mill-out extension, seal-bore extension, polished bore receptacle磨铣延伸筒、密封延伸筒、密封筒（PBR）
SJ · TJ · OOT · PJ / PPJ · String Accessories管柱附件
Safety joint, telescoping joint, on-off connector, pup joint / ported pup joint安全接头、伸缩节、连接-断开工具、短节 / 带孔管短节
CIV / CIM · GLV · Injection & Gas Lift注入与气举
Chemical injection valve/mandrel and gas lift valve with side-pocket mandrel化学药剂注入阀/短节、气举阀及托筒
HA · WEGS · BS · HTS · Anchors, Guides & Ball Seats锚定、引鞋与球座
Hydraulic anchor, wireline entry guide shoe, shear ball seat, ratchet ball seat水力锚、钢丝引鞋、剪切球座、棘爪球座
HST · PRT · YTA · ASS · Setting, Retrieval & ESP Tools坐封、回收与电泵工具
Hydraulic setting tool, packer retrieving tool, ESP Y-tool, adjustable sub液压坐封工具、封隔器回收工具、电泵 Y 接头、可调节短节
The complete catalogue details every series above — safety valves, packers, flow control, and completion accessories — with full technical specifications, materials, and API ratings. 完整手册详列上述每一系列 — 井下安全阀、封隔器、流量控制与完井配套工具 — 含完整技术规格、材料与 API 等级。
Integrated facility for design R&D, precision manufacturing, assembly & testing, sales, and field service. Our completion products use internationally certified raw materials, sealing components, shear pins, and springs — sourced from Baosteel, Daye, Tianjin Steel Pipe, FOX/BEAR threads, Tenaris 3SB, and VAM TOP. 集设计研发、精密制造、装配测试、销售、现场服务于一体的综合性基地。完井产品采用国际通行标准的原材料、密封件、剪切销和弹簧 — 钢材源自宝钢、大冶、天津钢管，扣型加工采用 FOX/BEAR、Tenaris 3SB、VAM TOP。
Every product is traceable to material heat number. Testing capability includes pressure testing, ultrasonic / Brinell / Rockwell hardness, shear testing, magnetic particle inspection, thickness measurement, thread projection, and thread gauging. 每件产品可追溯至炉号。测试能力包括压力测试、超声/布氏/洛氏硬度、剪切测试、磁粉探伤、测厚、螺纹投影、螺纹规检测。
Service regions: China, Middle East, Southeast Asia, Central Asia, Europe, Australia, South Asia. Selected projects include international contractor work (packer anchoring & ball-seat), Bangladesh Sylhet 10-well programme, and onshore field service across Southeast Asia. 服务区域：中国、中东、东南亚、中亚、欧洲、澳洲、南亚。重点项目包括国际承包商作业（封隔器锚定与座球）、孟加拉 Sylhet 10 口井项目、东南亚陆上现场服务。
Contact our completion engineering team to discuss your wellbore conditions, completion architecture, and equipment configuration. 联系完井工程团队，共同评估井筒条件、完井架构与设备配置。