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CIRCOR International, Inc. designs, manufactures, and distributes flow and motion control products in Europe, the Middle East, Africa, North America, and internationally. The company has a product portfolio of brands serving its customers' demanding applications. It operates through two segments, Aerospace & Defense and Industrial. The Aerospace & Defense segment manufactures and markets control valves, pumps, regulators, fluid controls, pneumatic valves and controls, electro-mechanical controls, electric motors, and other flow control products and subsystems; propeller pumps; actuation systems; MIL-spec butterfly valves and actuators; brushless DC motors; switches; and actuation components and sub-systems. Its products and services are used in the military and defense, commercial aerospace, business and general aviation, and general industrial markets, as well as serves aircraft manufacturers and tier 1 and tier 2 suppliers. This segment offers its products under the CIRCOR Aerospace, Aerodyne Controls, CIRCOR Bodet, CIRCOR Industria, CIRCOR Motors, Hale Hamilton, Leslie Controls, Portland Valve, and Warren Pumps brands. The Industrial segment provides 3 and 2 screw pumps, progressing cavity pumps, specialty centrifugal pumps, and gear metering pumps; automatic recirculation valves; engineered valves; positive displacement pumps; general service control valves; and top and bottom unheading devices and center feed devices for the end-users and original equipment manufacturers, as well as engineering, procurement, and construction companies. This segment offers its products under the Allweiler, DeltaValve, Houttuin, IMO Pump, IMO AB, Leslie Controls, RG Lawrence, RTK, Schroedahl, TapcoEnpro, Tushaco, and Zenith brands. The company markets its solutions directly and through various sales partners to approximately 14,000 customers in approximately 100 countries. CIRCOR International, Inc. was incorporated in 1999 and is headquartered in Burlington, Massachusetts.

Optical Cable Corporation, together with its subsidiaries, engages in the manufacture and sale of fiber optic and copper data communications cabling and connectivity solutions primarily for the enterprise market in the United States and internationally. The company provides fiber optic and hybrid cables for high bandwidth transmission of data, video, and voice communications; and copper datacom cables, including unshielded and shielded twisted pair constructions. Its fiber optic connectivity products include fiber optic wall mounts, cabinet mount and rack mount enclosures, pre-terminated fiber optic enclosures, fiber optic connectors, splice trays, fiber optic jumpers, plug and play cassette modules, pre-terminated fiber optic cable assemblies, adapters, and accessories; and copper connectivity products comprising category compliant patch panels, jacks, plugs, patch cords, faceplates, surface mounted boxes, distribution and multi-media boxes, copper rack mount and wall mount enclosures, cable assemblies, cable organizers, and other wiring products for equipment rooms, telecommunications closets, data centers, and workstation applications. In addition, the company offers network, data storage, and telecommunications management systems, such as data cabinets, wall mount enclosures, horizontal and vertical cable management systems, and open frame relay racks; and datacom wiring products, including various enclosures, and modules and modular outlets for single dwelling and multiple dwelling residential uses. Further, it provides specialty fiber optic connectors and connectivity components, copper datacom connectors, and related systems and solutions for military, other harsh environment, and special applications, as well as cylindrical connector products. The company sells its products to distributors, original equipment manufacturers, value-added resellers, and end-users. Optical Cable Corporation was incorporated in 1983 and is headquartered in Roanoke, Virginia.

Optec International, Inc. engages in selling and marketing optimized fuel maximizer units in North America and internationally. It markets optimized fuel maximizer for passenger vehicles, intermediate/medium duty trucks, off-road equipment, generator systems, heavy duty diesel on-road vehicles, and transportation refrigeration units. The company was formerly known as Green Meadow Products, Inc. and changed its name to Optec International, Inc. in August 2017. Optec International, Inc. was founded in 2012 and is based in Carlsbad, California.

PowerShares DWA Technical Leaders Portfolio (the Fund) is based on the Dorsey Wright Technical Leaders Index (the Index). The Fund seeks investment results that generally correspond to the price and yield of the Index. The Fund will normally invest at least 90% of its total assets in securities that consists of the Index and American Depositary Receipts (ADRs) based on the securities in the Index. The Index includes approximately 100 the United States-listed companies. Invesco PowerShares Capital Management LLC acts as the Fund's investment adviser.