Here are the facts from Cabledyne founder Ed Bowman:
Cabledyne states on their product pages: "Cryo 6-nines purity solid monocrystal square wire: Continuous Directional Solidification process (similar to OCC) offers incredible detail and clarity." The keyword is "Similar" to OCC.
Link and info from their supplier: http://hnyoukwire.en.alibaba.com/company_profile.html
"Henan Youk Electronic Materials Co., Ltd. is the largest electronic material enterprise in mainland China, based in Youk Engineering Research Center. We offer Copper Bonding Wires for Semiconductor Devices, High Purity Single Crystal Copper (4N-7N) bars / wires (0.1mm-10.0mm), High Purity Copper/Single Crystal Copper fine wires (0.015mm-0.10mm), Copper-Tin Alloy and Cu/Sn fine wires (0.020mm-0.1mm), High Purity Single Crystal Silver (4N-6N), High Purity Single Crystal Aluminum (4N-6N), Giant Magnetostrictive Materials (GMM), GMM devices, Electronic Cables and services. With a leading position in metal R&D and industrial applications, we have established business relationships with some famous companies all over the world.
Our company has an outstanding scientific team, international advanced production equipment and management experience. The technology of Youk products has reached the international advanced level. Three core technologies have been patented. Our company has passed ISO9001:2002, ISO14001:2002 and OHS18001:2002 certifications. Products also passed RoHS, MSDS, SGS, and other certifications.
Youk has the only Vacuum Melting and Inert Gas Protecting Continuous Unidirectional Solidification Equipment outputting 500,000kg/year in China. The Equipment can completely prevent the oxidation and secondary pollution of metal smelting. Precise control has ensured the stability of single crystal copper bars/wires. Due to the excellent research and advanced detection facilities, such as Element GD, TEM, EBSD and thermal analyzers, Youk can improve the performance of single crystal copper products continually."