"mutual promotion" is correct and usable in written English.
It can be used to refer to when two or more parties cooperate to promote each other's interests. For example, "The two companies agreed to a partnership, which included a mutual promotion of their respective products."
Mutual promotion relationship between carbon conversion rate of the coal and oxygen release rate of the OC was observed.
In particular, it is demonstrated that mutual promotion between N and P doping induces ultrahigh ORR activity while N doping is identified as the primary active sites for the OER.
Rodale and its biggest magazine, Prevention, have been linked to NBC's hit weight-loss show for three years, a collaboration that has grown beyond mutual promotion, to best-selling books, specialty magazines and an online club.
"Can you get me some Dom Rosé?" The interview, which generated international news as word of the proposed boycott spread, turned out to be a brilliant exercise in cross-branding and mutual promotion.
Both the crystallographic orientation and the morphological alignment were able to induce magnetic anisotropy in the alloys, wherein the influence of the crystallographic orientation and the morphological alignment upon the magnetic anisotropic behavior of the alloys strongly depended upon their directions and exhibited either mutual promotion or competition.
In "Co-option of real music by advertising, the" Gray is scathing about Dylan's deals with Coopers & Lybrand, McDonald's and Starbucks, and in "Book endorsements, unfortunate" he lays into Dylan's increasing willingness to play the entertainment industry game, as just another celebrity on the circuit of mutual promotion.
She says, "UniversalGiving engages in mutual marketing promotion with our partners by leveraging networks and spreading the word to new audiences". This collaborative marketing process is beneficial for spreading awareness of both the organization and its partners, so it's a win-win situation for all parties.
At any rate, Trump and Rodman stayed in each other's lives over the years, for mutual self promotion, and to cut to the chase, we now live in a world where Rodman's diplomatic chops have made him an important part of Trump's North Korea policy.
Discussing the Babson task, a mutual symmetrical promotion considered to be the most fascinating and difficult theme in chess composition, both writers praised the 1983 work by Leonid Yarosh, a former soccer coach, who solved the task 70 years after the challenge was set up.
This universal coverage is expected to be achieved through the development of health mutuals, the promotion of health insurance, and the establishment of a social health fund.
The acts give testimony to this culture of mutual appreciation and promotion.
